./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99c02e26cc69c81635e61f874ccaf79837a3339fa533477441a437bf8690e003 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:40:16,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:40:16,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:40:16,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:40:16,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:40:16,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:40:16,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:40:16,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:40:16,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:40:16,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:40:16,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:40:16,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:40:16,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:40:16,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:40:16,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:40:16,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:40:16,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:40:16,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:40:16,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:40:16,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:40:16,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:40:16,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:40:16,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:40:16,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:40:16,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:40:16,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:40:16,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:40:16,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:40:16,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:40:16,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:40:16,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:40:16,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:40:16,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:40:16,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:40:16,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:40:16,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:40:16,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:40:16,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:40:16,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:40:16,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:40:16,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:40:16,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 12:40:16,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:40:16,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:40:16,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:40:16,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:40:16,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:40:16,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:40:16,540 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:40:16,540 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:40:16,540 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:40:16,540 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:40:16,542 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:40:16,542 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:40:16,542 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:40:16,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:40:16,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:40:16,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:40:16,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:40:16,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:40:16,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:40:16,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:40:16,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:40:16,545 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:40:16,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:40:16,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:40:16,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:40:16,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:40:16,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:40:16,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:40:16,550 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:40:16,550 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c02e26cc69c81635e61f874ccaf79837a3339fa533477441a437bf8690e003 [2022-11-20 12:40:16,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:40:16,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:40:16,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:40:16,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:40:16,950 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:40:16,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i [2022-11-20 12:40:20,662 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:40:21,025 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:40:21,025 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i [2022-11-20 12:40:21,046 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/data/476291519/a594846f3d154f18955024949129b8ad/FLAG47eb6dec6 [2022-11-20 12:40:21,069 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/data/476291519/a594846f3d154f18955024949129b8ad [2022-11-20 12:40:21,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:40:21,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:40:21,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:21,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:40:21,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:40:21,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bb98d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21, skipping insertion in model container [2022-11-20 12:40:21,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:40:21,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:40:21,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:21,594 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:40:21,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:21,683 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:40:21,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21 WrapperNode [2022-11-20 12:40:21,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:21,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:21,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:40:21,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:40:21,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,738 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-20 12:40:21,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:21,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:40:21,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:40:21,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:40:21,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:40:21,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:40:21,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:40:21,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:40:21,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (1/1) ... [2022-11-20 12:40:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:21,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:21,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:21,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:40:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:40:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:40:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:40:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:40:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:40:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:40:22,045 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:40:22,056 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:40:22,294 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:40:22,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:40:22,301 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 12:40:22,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:22 BoogieIcfgContainer [2022-11-20 12:40:22,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:40:22,305 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:40:22,305 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:40:22,316 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:40:22,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:40:22,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:40:21" (1/3) ... [2022-11-20 12:40:22,325 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30b9867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:40:22, skipping insertion in model container [2022-11-20 12:40:22,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:40:22,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:21" (2/3) ... [2022-11-20 12:40:22,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30b9867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:40:22, skipping insertion in model container [2022-11-20 12:40:22,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:40:22,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:22" (3/3) ... [2022-11-20 12:40:22,328 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-2.i [2022-11-20 12:40:22,407 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:40:22,408 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:40:22,408 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:40:22,408 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:40:22,409 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:40:22,409 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:40:22,409 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:40:22,409 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:40:22,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:22,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-20 12:40:22,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:22,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:22,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 12:40:22,440 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:40:22,440 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:40:22,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:22,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-20 12:40:22,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:22,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:22,443 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 12:40:22,443 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:40:22,452 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 16#L551true assume !(main_~length~0#1 < 1); 11#L551-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L553true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 15#L554-3true [2022-11-20 12:40:22,453 INFO L750 eck$LassoCheckResult]: Loop: 15#L554-3true assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4#L556true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 5#L556-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 14#L554-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15#L554-3true [2022-11-20 12:40:22,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:22,473 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-20 12:40:22,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:22,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360737537] [2022-11-20 12:40:22,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:22,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:22,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:22,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:22,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:22,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2022-11-20 12:40:22,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:22,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863317934] [2022-11-20 12:40:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:22,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:22,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:22,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:22,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2022-11-20 12:40:22,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:22,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557443250] [2022-11-20 12:40:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:22,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:22,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:22,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:23,497 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:23,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:23,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:23,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:23,499 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:23,499 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:23,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:23,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:23,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration1_Lasso [2022-11-20 12:40:23,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:23,501 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:23,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:23,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:24,317 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:24,325 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:24,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:24,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:24,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:24,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:24,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:40:24,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:24,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:24,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:24,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:24,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:24,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:24,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:24,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:24,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 12:40:24,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:24,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:24,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:24,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:40:24,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:24,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:24,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:24,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:24,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:24,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:24,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:24,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:24,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:24,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:24,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:24,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:24,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:40:24,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:24,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:24,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:24,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:24,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:24,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:24,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:24,551 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:24,579 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 12:40:24,580 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-20 12:40:24,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:24,626 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:24,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:40:24,684 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:24,713 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:24,713 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:24,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~arr~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 Supporting invariants [] [2022-11-20 12:40:24,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:24,746 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-20 12:40:24,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:24,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:40:24,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:24,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:40:24,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:24,934 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:40:24,937 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:25,033 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 60 transitions. Complement of second has 7 states. [2022-11-20 12:40:25,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-11-20 12:40:25,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 12:40:25,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:25,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-20 12:40:25,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:25,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-20 12:40:25,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:25,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 60 transitions. [2022-11-20 12:40:25,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 12:40:25,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 15 states and 20 transitions. [2022-11-20 12:40:25,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:25,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 12:40:25,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-20 12:40:25,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:40:25,070 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-20 12:40:25,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-20 12:40:25,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-20 12:40:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-20 12:40:25,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-20 12:40:25,103 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-20 12:40:25,103 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:40:25,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-20 12:40:25,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 12:40:25,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:25,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:25,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:25,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:40:25,123 INFO L748 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 133#L551 assume !(main_~length~0#1 < 1); 137#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 135#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 136#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 134#L554-4 main_~j~0#1 := 0; 132#L561-3 [2022-11-20 12:40:25,123 INFO L750 eck$LassoCheckResult]: Loop: 132#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 139#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 138#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 131#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 132#L561-3 [2022-11-20 12:40:25,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2022-11-20 12:40:25,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:25,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888807347] [2022-11-20 12:40:25,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:25,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:25,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:25,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:25,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888807347] [2022-11-20 12:40:25,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888807347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:25,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:25,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:40:25,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340698534] [2022-11-20 12:40:25,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:25,313 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:40:25,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:25,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2022-11-20 12:40:25,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:25,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832767014] [2022-11-20 12:40:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:25,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:25,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:25,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:40:25,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:40:25,432 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:25,482 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-20 12:40:25,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-20 12:40:25,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 12:40:25,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2022-11-20 12:40:25,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:40:25,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 12:40:25,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-20 12:40:25,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:40:25,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-20 12:40:25,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-20 12:40:25,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2022-11-20 12:40:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-20 12:40:25,496 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 12:40:25,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:40:25,500 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 12:40:25,501 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:40:25,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-20 12:40:25,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 12:40:25,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:25,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:25,510 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:25,510 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:40:25,511 INFO L748 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 173#L551 assume !(main_~length~0#1 < 1); 179#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 175#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 176#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 168#L556 assume !(main_~val~0#1 < 0); 169#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 170#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 180#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 174#L554-4 main_~j~0#1 := 0; 172#L561-3 [2022-11-20 12:40:25,511 INFO L750 eck$LassoCheckResult]: Loop: 172#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 178#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 177#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 171#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 172#L561-3 [2022-11-20 12:40:25,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:25,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2022-11-20 12:40:25,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:25,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489891754] [2022-11-20 12:40:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:25,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:25,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2022-11-20 12:40:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:25,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657364249] [2022-11-20 12:40:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:25,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2022-11-20 12:40:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:25,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185206549] [2022-11-20 12:40:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:25,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:25,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:26,089 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:26,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:26,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:26,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:26,090 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:26,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:26,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:26,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:26,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration3_Lasso [2022-11-20 12:40:26,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:26,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:26,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:26,861 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:26,861 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:26,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:26,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:26,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:26,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:26,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:40:26,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:26,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:26,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:26,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:26,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:26,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:26,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:26,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:26,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:26,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:26,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:26,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:26,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:40:26,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:26,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:26,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:26,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:26,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:26,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:26,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:26,982 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:27,045 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-20 12:40:27,045 INFO L444 ModelExtractionUtils]: 10 out of 25 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-20 12:40:27,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:27,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:27,059 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:27,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:40:27,085 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:27,085 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:27,085 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0#1.offset, ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_2) = -1*ULTIMATE.start_main_~arr~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 + 2*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_2 Supporting invariants [] [2022-11-20 12:40:27,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:27,109 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-11-20 12:40:27,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:27,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:40:27,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:27,272 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:40:27,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:27,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:27,355 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 12:40:27,356 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:27,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 27 transitions. Complement of second has 7 states. [2022-11-20 12:40:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-11-20 12:40:27,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-20 12:40:27,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:27,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-20 12:40:27,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:27,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 8 letters. [2022-11-20 12:40:27,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:27,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-11-20 12:40:27,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:27,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2022-11-20 12:40:27,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:27,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 12:40:27,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-11-20 12:40:27,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:27,442 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-20 12:40:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-11-20 12:40:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-20 12:40:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-20 12:40:27,446 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-20 12:40:27,446 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-20 12:40:27,452 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:40:27,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-20 12:40:27,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:27,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:27,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:27,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:27,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:27,455 INFO L748 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 295#L551 assume !(main_~length~0#1 < 1); 300#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 298#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 299#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 290#L556 assume !(main_~val~0#1 < 0); 291#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 292#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 305#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 296#L554-4 main_~j~0#1 := 0; 297#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 302#L562-3 [2022-11-20 12:40:27,455 INFO L750 eck$LassoCheckResult]: Loop: 302#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 301#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 302#L562-3 [2022-11-20 12:40:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:27,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2022-11-20 12:40:27,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:27,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248597421] [2022-11-20 12:40:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:27,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:27,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:27,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:27,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:27,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2022-11-20 12:40:27,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:27,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046068108] [2022-11-20 12:40:27,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:27,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:27,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:27,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:27,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:27,546 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2022-11-20 12:40:27,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:27,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521348826] [2022-11-20 12:40:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:27,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:27,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:27,979 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:27,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:27,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:27,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:27,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:27,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:27,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:27,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:27,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration4_Lasso [2022-11-20 12:40:27,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:27,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:27,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:27,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:27,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,022 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:28,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:28,736 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:28,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:28,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:28,744 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:28,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:40:28,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:28,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:28,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:28,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:28,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:28,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:28,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:28,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:28,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:28,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-20 12:40:28,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:28,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:28,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:28,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:40:28,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:28,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:28,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:28,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:28,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:28,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:28,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:28,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:28,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:28,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:28,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:28,846 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:28,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:40:28,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:28,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:28,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:28,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:28,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:28,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:28,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:28,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:28,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:28,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:28,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:28,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:28,897 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:28,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:40:28,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:28,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:28,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:28,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:28,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:28,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:28,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:28,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:28,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:28,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:28,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:28,950 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:28,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:28,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:40:28,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:28,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:28,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:28,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:28,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:28,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:28,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:29,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,015 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:40:29,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:29,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:29,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:29,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,076 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:40:29,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:29,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:29,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,132 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:40:29,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:29,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:29,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,188 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:40:29,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:29,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:29,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:29,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,235 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:40:29,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:29,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:29,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:29,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,289 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:40:29,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:29,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:29,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,365 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:40:29,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:29,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:29,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:29,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,511 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:40:29,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:29,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:29,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:29,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:29,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:29,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:29,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:29,593 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:29,614 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 12:40:29,614 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 12:40:29,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:29,619 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:29,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:29,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:40:29,658 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:29,658 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:29,658 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1 Supporting invariants [] [2022-11-20 12:40:29,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:29,685 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-11-20 12:40:29,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:29,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:40:29,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:29,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:29,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:29,835 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 12:40:29,835 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:29,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2022-11-20 12:40:29,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-20 12:40:29,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 12:40:29,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:29,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-20 12:40:29,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:29,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-20 12:40:29,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:29,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2022-11-20 12:40:29,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:29,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2022-11-20 12:40:29,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:29,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:40:29,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-11-20 12:40:29,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:29,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-20 12:40:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-11-20 12:40:29,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-20 12:40:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-20 12:40:29,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-20 12:40:29,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-20 12:40:29,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:40:29,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-20 12:40:29,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:29,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:29,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:29,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:29,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:29,900 INFO L748 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 422#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 430#L551 assume !(main_~length~0#1 < 1); 433#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 431#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 432#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 423#L556 assume !(main_~val~0#1 < 0); 424#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 425#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 437#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 428#L554-4 main_~j~0#1 := 0; 429#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 438#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 436#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 426#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 427#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 435#L562-3 [2022-11-20 12:40:29,901 INFO L750 eck$LassoCheckResult]: Loop: 435#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 434#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 435#L562-3 [2022-11-20 12:40:29,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:29,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2022-11-20 12:40:29,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:29,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746626433] [2022-11-20 12:40:29,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:30,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:30,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746626433] [2022-11-20 12:40:30,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746626433] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:40:30,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730739912] [2022-11-20 12:40:30,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:40:30,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:40:30,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:30,031 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:40:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-20 12:40:30,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:40:30,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:40:30,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:40:30,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:30,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:40:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:30,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730739912] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:40:30,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:40:30,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-20 12:40:30,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521722718] [2022-11-20 12:40:30,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:40:30,303 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:40:30,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:30,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2022-11-20 12:40:30,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:30,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343354353] [2022-11-20 12:40:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:30,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:30,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:30,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 12:40:30,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:40:30,383 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:30,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:30,561 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2022-11-20 12:40:30,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2022-11-20 12:40:30,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:30,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2022-11-20 12:40:30,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:30,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:40:30,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2022-11-20 12:40:30,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:30,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-20 12:40:30,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2022-11-20 12:40:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-20 12:40:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-20 12:40:30,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-20 12:40:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:40:30,579 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-20 12:40:30,579 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 12:40:30,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-20 12:40:30,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:30,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:30,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:30,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:30,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:30,585 INFO L748 eck$LassoCheckResult]: Stem: 601#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 602#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 610#L551 assume !(main_~length~0#1 < 1); 617#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 611#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 612#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 620#L556 assume !(main_~val~0#1 < 0); 625#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 618#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 619#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 603#L556 assume !(main_~val~0#1 < 0); 604#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 605#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 624#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 608#L554-4 main_~j~0#1 := 0; 609#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 616#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 623#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 606#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 607#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 614#L562-3 [2022-11-20 12:40:30,585 INFO L750 eck$LassoCheckResult]: Loop: 614#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 613#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 614#L562-3 [2022-11-20 12:40:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:30,586 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2022-11-20 12:40:30,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:30,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273429052] [2022-11-20 12:40:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:30,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:30,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:30,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2022-11-20 12:40:30,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:30,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465008960] [2022-11-20 12:40:30,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:30,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:30,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:30,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2022-11-20 12:40:30,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:30,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068407193] [2022-11-20 12:40:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:30,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:31,253 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:31,254 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:31,254 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:31,254 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:31,254 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:31,254 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:31,254 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:31,254 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:31,254 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration6_Lasso [2022-11-20 12:40:31,254 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:31,254 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:31,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:31,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:32,225 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:32,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,235 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:40:32,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:32,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,283 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:40:32,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,333 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 12:40:32,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:32,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,391 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:40:32,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,443 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:40:32,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:32,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,515 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:40:32,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,574 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 12:40:32,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,621 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 12:40:32,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,669 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 12:40:32,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,717 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:40:32,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,764 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:40:32,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:32,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:32,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:32,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,792 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:40:32,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:32,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,848 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:40:32,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:32,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,915 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:40:32,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:32,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:32,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:32,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:32,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:32,966 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:32,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 12:40:32,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:32,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:32,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:32,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:32,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:32,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:32,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:33,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:33,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:33,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:33,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:33,012 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:33,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 12:40:33,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:33,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:33,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:33,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:33,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:33,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:33,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:33,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:33,087 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 12:40:33,087 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:40:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:33,094 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:33,100 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:33,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 12:40:33,127 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:33,127 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:33,128 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1 Supporting invariants [] [2022-11-20 12:40:33,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-20 12:40:33,153 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-11-20 12:40:33,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:40:33,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:33,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:33,338 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 12:40:33,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-20 12:40:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:33,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-20 12:40:33,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:33,375 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:33,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:40:33,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:33,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:33,560 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 12:40:33,561 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-20 12:40:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:33,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-20 12:40:33,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:33,589 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:33,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:40:33,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:33,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:33,769 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 12:40:33,770 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,855 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 10 states. [2022-11-20 12:40:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:40:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 33 transitions. [2022-11-20 12:40:33,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-20 12:40:33,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:33,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-20 12:40:33,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:33,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-20 12:40:33,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:33,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2022-11-20 12:40:33,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:33,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2022-11-20 12:40:33,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:40:33,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:40:33,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2022-11-20 12:40:33,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:33,861 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2022-11-20 12:40:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2022-11-20 12:40:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-11-20 12:40:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-20 12:40:33,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-20 12:40:33,865 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-20 12:40:33,865 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 12:40:33,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-20 12:40:33,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:33,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:33,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:33,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:33,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:33,868 INFO L748 eck$LassoCheckResult]: Stem: 995#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 996#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1002#L551 assume !(main_~length~0#1 < 1); 1011#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1005#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1006#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 997#L556 assume !(main_~val~0#1 < 0); 998#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 999#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1012#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1013#L556 assume !(main_~val~0#1 < 0); 1019#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1018#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1017#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 1003#L554-4 main_~j~0#1 := 0; 1004#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1014#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1022#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1000#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1001#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1010#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1024#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1021#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1020#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1008#L562-3 [2022-11-20 12:40:33,868 INFO L750 eck$LassoCheckResult]: Loop: 1008#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1007#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1008#L562-3 [2022-11-20 12:40:33,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:33,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2022-11-20 12:40:33,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:33,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30781756] [2022-11-20 12:40:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:33,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:34,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30781756] [2022-11-20 12:40:34,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30781756] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:40:34,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623373552] [2022-11-20 12:40:34,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:40:34,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:40:34,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:34,168 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:40:34,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-20 12:40:34,248 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:40:34,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:40:34,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:40:34,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:34,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:40:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:34,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623373552] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:40:34,461 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:40:34,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-20 12:40:34,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089842451] [2022-11-20 12:40:34,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:40:34,462 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:40:34,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2022-11-20 12:40:34,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:34,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520925145] [2022-11-20 12:40:34,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:34,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:34,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:34,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:40:34,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:40:34,524 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:34,690 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-11-20 12:40:34,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-11-20 12:40:34,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:34,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2022-11-20 12:40:34,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:34,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:40:34,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-20 12:40:34,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:34,696 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-20 12:40:34,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-20 12:40:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-11-20 12:40:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-20 12:40:34,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-20 12:40:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:40:34,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-20 12:40:34,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 12:40:34,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-20 12:40:34,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:34,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:34,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:34,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:34,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:34,714 INFO L748 eck$LassoCheckResult]: Stem: 1237#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1238#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1244#L551 assume !(main_~length~0#1 < 1); 1253#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1247#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1248#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1255#L556 assume !(main_~val~0#1 < 0); 1270#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1269#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1256#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1239#L556 assume !(main_~val~0#1 < 0); 1240#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1241#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1254#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1265#L556 assume !(main_~val~0#1 < 0); 1268#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1267#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1264#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 1245#L554-4 main_~j~0#1 := 0; 1246#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1257#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1263#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1242#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1243#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1252#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1262#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1261#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1260#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1250#L562-3 [2022-11-20 12:40:34,714 INFO L750 eck$LassoCheckResult]: Loop: 1250#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1249#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1250#L562-3 [2022-11-20 12:40:34,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:34,715 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2022-11-20 12:40:34,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:34,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079178599] [2022-11-20 12:40:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:34,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:34,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:34,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2022-11-20 12:40:34,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:34,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487610806] [2022-11-20 12:40:34,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:34,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:34,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:34,826 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2022-11-20 12:40:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:34,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679792621] [2022-11-20 12:40:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:34,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:36,287 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:36,287 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:36,287 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:36,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:36,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:36,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:36,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:36,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:36,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration8_Lasso [2022-11-20 12:40:36,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:36,288 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:36,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,338 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:36,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:37,437 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:37,437 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:37,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,438 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 12:40:37,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,474 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 12:40:37,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,499 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 12:40:37,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 12:40:37,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,545 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 12:40:37,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,605 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 12:40:37,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,652 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 12:40:37,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,700 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 12:40:37,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,754 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 12:40:37,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,797 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 12:40:37,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:37,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,844 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 12:40:37,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-20 12:40:37,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,881 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 12:40:37,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-20 12:40:37,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,905 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 12:40:37,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-20 12:40:37,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,933 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 12:40:37,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:37,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:37,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:37,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-20 12:40:37,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,956 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 12:40:37,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:37,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:37,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:37,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:37,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:37,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:37,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:37,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:37,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-20 12:40:37,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:37,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:37,991 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:37,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 12:40:37,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:38,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:38,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:38,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:38,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:38,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:38,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:38,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:38,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:38,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:38,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:38,023 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:38,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 12:40:38,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:38,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:38,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:38,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:38,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:38,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:38,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:38,054 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:38,078 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-20 12:40:38,079 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:40:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:38,082 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:38,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 12:40:38,084 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:38,097 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:38,097 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:38,097 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2 Supporting invariants [] [2022-11-20 12:40:38,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:38,168 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-20 12:40:38,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:38,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:40:38,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:38,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:38,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:38,585 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 12:40:38,585 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:38,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-20 12:40:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-20 12:40:38,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-20 12:40:38,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:38,715 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:38,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:38,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:38,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:40:38,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:39,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:39,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:39,054 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 12:40:39,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:39,176 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-20 12:40:39,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-20 12:40:39,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-20 12:40:39,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:39,179 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:39,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:40:39,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:39,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:39,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:39,531 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 12:40:39,531 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:39,748 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 78 states and 100 transitions. Complement of second has 17 states. [2022-11-20 12:40:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:40:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:39,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 67 transitions. [2022-11-20 12:40:39,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-20 12:40:39,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:39,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 30 letters. Loop has 2 letters. [2022-11-20 12:40:39,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:39,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-20 12:40:39,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:39,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 100 transitions. [2022-11-20 12:40:39,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:40:39,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 73 states and 93 transitions. [2022-11-20 12:40:39,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:40:39,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:40:39,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 93 transitions. [2022-11-20 12:40:39,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:39,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-20 12:40:39,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 93 transitions. [2022-11-20 12:40:39,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 45. [2022-11-20 12:40:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-20 12:40:39,758 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-20 12:40:39,758 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-20 12:40:39,758 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 12:40:39,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2022-11-20 12:40:39,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:39,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:39,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:39,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:39,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:39,761 INFO L748 eck$LassoCheckResult]: Stem: 1856#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1857#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1863#L551 assume !(main_~length~0#1 < 1); 1872#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1866#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1867#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1875#L556 assume !(main_~val~0#1 < 0); 1888#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1884#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1885#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1889#L556 assume !(main_~val~0#1 < 0); 1886#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1887#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1876#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1877#L556 assume !(main_~val~0#1 < 0); 1900#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1873#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1874#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 1864#L554-4 main_~j~0#1 := 0; 1865#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1898#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1897#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1896#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1879#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1871#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1892#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1861#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1862#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1894#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1893#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1891#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1890#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1869#L562-3 [2022-11-20 12:40:39,761 INFO L750 eck$LassoCheckResult]: Loop: 1869#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1868#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1869#L562-3 [2022-11-20 12:40:39,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:39,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2022-11-20 12:40:39,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:39,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23142481] [2022-11-20 12:40:39,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:39,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:39,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23142481] [2022-11-20 12:40:39,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23142481] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:40:39,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016906857] [2022-11-20 12:40:39,935 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 12:40:39,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:40:39,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:39,936 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:40:39,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-11-20 12:40:40,032 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-20 12:40:40,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:40:40,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:40:40,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:40,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:40:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:40,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016906857] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:40:40,329 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:40:40,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2022-11-20 12:40:40,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519748762] [2022-11-20 12:40:40,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:40:40,332 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:40:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2022-11-20 12:40:40,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:40,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410563670] [2022-11-20 12:40:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:40,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:40,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 12:40:40,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:40:40,405 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. cyclomatic complexity: 17 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:40,618 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-20 12:40:40,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 71 transitions. [2022-11-20 12:40:40,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:40,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 51 transitions. [2022-11-20 12:40:40,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:40,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:40:40,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-11-20 12:40:40,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:40,620 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-20 12:40:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-11-20 12:40:40,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-20 12:40:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-20 12:40:40,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-20 12:40:40,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:40:40,624 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-20 12:40:40,624 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 12:40:40,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2022-11-20 12:40:40,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:40,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:40,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:40,625 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:40,625 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:40,626 INFO L748 eck$LassoCheckResult]: Stem: 2175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2176#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2184#L551 assume !(main_~length~0#1 < 1); 2191#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2185#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2186#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2193#L556 assume !(main_~val~0#1 < 0); 2212#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2211#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2194#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2177#L556 assume !(main_~val~0#1 < 0); 2178#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2179#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2192#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2210#L556 assume !(main_~val~0#1 < 0); 2209#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2208#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2207#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2200#L556 assume !(main_~val~0#1 < 0); 2206#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2201#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2199#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 2182#L554-4 main_~j~0#1 := 0; 2183#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2195#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2203#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2202#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2196#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2190#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2205#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2180#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2181#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2188#L562-3 [2022-11-20 12:40:40,626 INFO L750 eck$LassoCheckResult]: Loop: 2188#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2187#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2188#L562-3 [2022-11-20 12:40:40,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:40,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1539979743, now seen corresponding path program 7 times [2022-11-20 12:40:40,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:40,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775193789] [2022-11-20 12:40:40,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:40,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:40,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2022-11-20 12:40:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:40,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776224393] [2022-11-20 12:40:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:40,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1843185638, now seen corresponding path program 3 times [2022-11-20 12:40:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:40,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499645991] [2022-11-20 12:40:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:40,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:40,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:41,933 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:41,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:41,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:41,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:41,934 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:41,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:41,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:41,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:41,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration10_Lasso [2022-11-20 12:40:41,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:41,934 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:41,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:41,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:42,734 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:42,734 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:42,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,736 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 12:40:42,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:42,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:42,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:42,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:42,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-20 12:40:42,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,754 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 12:40:42,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:42,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:42,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:42,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:42,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,777 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 12:40:42,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:42,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:42,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:42,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:42,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-20 12:40:42,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,795 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:42,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:42,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:42,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 12:40:42,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:42,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:42,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,835 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:42,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:42,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 12:40:42,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:42,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:42,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,879 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 12:40:42,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:42,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:42,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:42,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:42,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:42,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:42,936 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:42,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:42,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 12:40:42,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:42,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:42,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:42,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:42,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:42,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:42,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:42,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:43,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:43,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:43,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:43,039 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:43,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 12:40:43,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:43,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:43,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:43,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:43,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:43,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:43,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:43,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:43,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:43,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:43,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:43,136 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:43,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 12:40:43,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:43,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:43,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:43,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:43,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:43,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:43,182 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:43,196 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 12:40:43,197 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 12:40:43,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:43,201 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:43,202 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 12:40:43,232 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:43,232 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:43,232 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 Supporting invariants [] [2022-11-20 12:40:43,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:43,262 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-20 12:40:43,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:43,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:40:43,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:43,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:43,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:43,469 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 12:40:43,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:43,504 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-20 12:40:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:43,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-20 12:40:43,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:43,515 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:43,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:43,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:40:43,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:43,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:43,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:43,721 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 12:40:43,721 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:43,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-20 12:40:43,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:43,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-20 12:40:43,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:43,751 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:43,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:40:43,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:43,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:43,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:43,938 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 12:40:43,939 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:44,041 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 68 transitions. Complement of second has 12 states. [2022-11-20 12:40:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:40:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-11-20 12:40:44,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-20 12:40:44,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:44,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 34 letters. Loop has 2 letters. [2022-11-20 12:40:44,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:44,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 4 letters. [2022-11-20 12:40:44,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:44,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-11-20 12:40:44,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:44,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 49 states and 61 transitions. [2022-11-20 12:40:44,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:40:44,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:40:44,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2022-11-20 12:40:44,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:44,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-20 12:40:44,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2022-11-20 12:40:44,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-11-20 12:40:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2022-11-20 12:40:44,050 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-20 12:40:44,050 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-20 12:40:44,050 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 12:40:44,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2022-11-20 12:40:44,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:44,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:44,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:44,052 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:44,052 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:44,052 INFO L748 eck$LassoCheckResult]: Stem: 2740#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2741#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2747#L551 assume !(main_~length~0#1 < 1); 2756#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2750#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2751#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2759#L556 assume !(main_~val~0#1 < 0); 2771#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2757#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2758#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2742#L556 assume !(main_~val~0#1 < 0); 2743#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2744#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2770#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2769#L556 assume !(main_~val~0#1 < 0); 2768#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2767#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2766#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2763#L556 assume !(main_~val~0#1 < 0); 2765#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2764#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2762#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 2748#L554-4 main_~j~0#1 := 0; 2749#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2755#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2761#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2745#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2746#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2760#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2781#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2780#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2779#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2778#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2775#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2774#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2772#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2753#L562-3 [2022-11-20 12:40:44,053 INFO L750 eck$LassoCheckResult]: Loop: 2753#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2752#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2753#L562-3 [2022-11-20 12:40:44,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:44,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 8 times [2022-11-20 12:40:44,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:44,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006633910] [2022-11-20 12:40:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:44,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:44,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:44,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:44,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:44,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2022-11-20 12:40:44,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:44,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677350868] [2022-11-20 12:40:44,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:44,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:44,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:44,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:44,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:44,101 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 4 times [2022-11-20 12:40:44,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:44,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022754164] [2022-11-20 12:40:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:44,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:44,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:44,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:44,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:46,064 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:46,064 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:46,064 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:46,064 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:46,064 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:46,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:46,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:46,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:46,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration11_Lasso [2022-11-20 12:40:46,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:46,065 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:46,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:46,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:47,410 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:47,410 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:47,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,412 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 12:40:47,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:47,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:47,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:47,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:47,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:47,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,438 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-20 12:40:47,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:47,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:47,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:47,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:47,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:47,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,461 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-20 12:40:47,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:47,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:47,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:47,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,489 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-20 12:40:47,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:47,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:47,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:47,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-20 12:40:47,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,516 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-20 12:40:47,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:40:47,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:40:47,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:40:47,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:47,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-20 12:40:47,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,539 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-20 12:40:47,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:47,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:47,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:47,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-11-20 12:40:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,600 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:47,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-20 12:40:47,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:47,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:47,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:47,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:47,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:47,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:47,650 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:47,658 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 12:40:47,659 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 12:40:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:47,663 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:47,671 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-20 12:40:47,710 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:47,710 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:47,710 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2 Supporting invariants [] [2022-11-20 12:40:47,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-20 12:40:47,757 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 12:40:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:47,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:40:47,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:47,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:47,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:47,980 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-20 12:40:47,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,018 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-20 12:40:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:48,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-20 12:40:48,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:48,021 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:48,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:48,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:40:48,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:48,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:48,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:48,261 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-20 12:40:48,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,299 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-20 12:40:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:48,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-20 12:40:48,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:48,301 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:48,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:40:48,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:48,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:48,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:48,524 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-20 12:40:48,524 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,669 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 76 transitions. Complement of second has 14 states. [2022-11-20 12:40:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:40:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2022-11-20 12:40:48,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-20 12:40:48,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:48,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2022-11-20 12:40:48,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:48,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2022-11-20 12:40:48,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:48,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2022-11-20 12:40:48,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:48,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2022-11-20 12:40:48,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:40:48,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:40:48,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2022-11-20 12:40:48,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:48,688 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-20 12:40:48,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2022-11-20 12:40:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-11-20 12:40:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-20 12:40:48,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-20 12:40:48,697 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-20 12:40:48,697 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 12:40:48,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2022-11-20 12:40:48,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:48,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:48,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:48,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:48,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:48,705 INFO L748 eck$LassoCheckResult]: Stem: 3380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3387#L551 assume !(main_~length~0#1 < 1); 3396#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3390#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3391#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3399#L556 assume !(main_~val~0#1 < 0); 3411#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3397#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3398#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3382#L556 assume !(main_~val~0#1 < 0); 3383#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3384#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3410#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3409#L556 assume !(main_~val~0#1 < 0); 3408#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3407#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3406#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3403#L556 assume !(main_~val~0#1 < 0); 3405#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3404#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3402#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 3388#L554-4 main_~j~0#1 := 0; 3389#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3395#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3401#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3385#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3386#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3400#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3426#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3425#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3424#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3422#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3421#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3420#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3419#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3418#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3415#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3414#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3412#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3393#L562-3 [2022-11-20 12:40:48,707 INFO L750 eck$LassoCheckResult]: Loop: 3393#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3392#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3393#L562-3 [2022-11-20 12:40:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 9 times [2022-11-20 12:40:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:48,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379551068] [2022-11-20 12:40:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:48,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:48,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:48,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379551068] [2022-11-20 12:40:48,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379551068] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:40:48,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782631431] [2022-11-20 12:40:48,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:40:48,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:40:48,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:48,981 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:40:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-20 12:40:49,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-20 12:40:49,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:40:49,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:40:49,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:49,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:40:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:49,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782631431] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:40:49,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:40:49,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2022-11-20 12:40:49,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211918497] [2022-11-20 12:40:49,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:40:49,517 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:40:49,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:49,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2022-11-20 12:40:49,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:49,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449528950] [2022-11-20 12:40:49,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:49,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:49,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:49,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 12:40:49,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-20 12:40:49,584 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:49,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:49,844 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-11-20 12:40:49,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2022-11-20 12:40:49,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:49,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2022-11-20 12:40:49,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:49,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:40:49,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2022-11-20 12:40:49,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:49,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-20 12:40:49,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2022-11-20 12:40:49,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2022-11-20 12:40:49,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-20 12:40:49,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-20 12:40:49,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:40:49,855 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-20 12:40:49,855 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 12:40:49,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2022-11-20 12:40:49,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:49,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:49,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:49,857 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:49,857 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:49,857 INFO L748 eck$LassoCheckResult]: Stem: 3774#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3775#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3783#L551 assume !(main_~length~0#1 < 1); 3789#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3784#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3785#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3776#L556 assume !(main_~val~0#1 < 0); 3777#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3778#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3790#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3791#L556 assume !(main_~val~0#1 < 0); 3825#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3824#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3823#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3822#L556 assume !(main_~val~0#1 < 0); 3821#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3820#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3819#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3818#L556 assume !(main_~val~0#1 < 0); 3817#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3815#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3813#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3796#L556 assume !(main_~val~0#1 < 0); 3802#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3799#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3795#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 3781#L554-4 main_~j~0#1 := 0; 3782#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3792#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3788#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3779#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3780#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3793#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3814#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3812#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3811#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3809#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3808#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3807#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3806#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3805#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3801#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3800#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3797#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3787#L562-3 [2022-11-20 12:40:49,858 INFO L750 eck$LassoCheckResult]: Loop: 3787#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3786#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3787#L562-3 [2022-11-20 12:40:49,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:49,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 10 times [2022-11-20 12:40:49,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:49,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273269290] [2022-11-20 12:40:49,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:49,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:49,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2022-11-20 12:40:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:49,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8022285] [2022-11-20 12:40:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 5 times [2022-11-20 12:40:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:49,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708979915] [2022-11-20 12:40:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:49,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:52,768 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:40:52,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:40:52,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:40:52,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:40:52,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:40:52,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:52,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:40:52,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:40:52,768 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration13_Lasso [2022-11-20 12:40:52,768 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:40:52,768 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:40:52,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:53,879 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:40:54,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:40:54,450 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:40:54,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,451 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-20 12:40:54,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-20 12:40:54,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,503 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-20 12:40:54,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,573 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-20 12:40:54,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,624 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-20 12:40:54,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,666 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-20 12:40:54,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,706 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-20 12:40:54,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,753 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-20 12:40:54,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:40:54,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,804 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:40:54,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-20 12:40:54,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:40:54,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:40:54,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:40:54,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:40:54,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:40:54,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:40:54,850 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:40:54,873 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 12:40:54,873 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:40:54,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:40:54,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:54,878 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:54,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-20 12:40:54,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:40:54,905 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:40:54,905 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:40:54,905 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-20 12:40:54,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:54,979 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-20 12:40:55,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:55,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:40:55,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:55,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:55,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:55,244 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 12:40:55,245 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:55,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-20 12:40:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:55,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-20 12:40:55,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:55,287 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:55,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:55,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:40:55,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:55,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:55,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:55,559 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 12:40:55,559 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:55,600 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-20 12:40:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:40:55,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:40:55,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-20 12:40:55,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:55,602 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:40:55,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:55,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:40:55,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:55,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:55,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:55,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:55,885 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 12:40:55,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:56,028 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 89 transitions. Complement of second has 16 states. [2022-11-20 12:40:56,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:40:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-20 12:40:56,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-20 12:40:56,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:56,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 46 letters. Loop has 2 letters. [2022-11-20 12:40:56,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:56,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 4 letters. [2022-11-20 12:40:56,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:40:56,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2022-11-20 12:40:56,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:56,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 65 states and 82 transitions. [2022-11-20 12:40:56,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:40:56,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:40:56,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2022-11-20 12:40:56,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:56,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-20 12:40:56,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2022-11-20 12:40:56,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2022-11-20 12:40:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-11-20 12:40:56,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-20 12:40:56,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-20 12:40:56,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-20 12:40:56,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 70 transitions. [2022-11-20 12:40:56,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:56,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:56,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:56,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:56,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:56,038 INFO L748 eck$LassoCheckResult]: Stem: 4537#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4538#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4544#L551 assume !(main_~length~0#1 < 1); 4553#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4547#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4548#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4556#L556 assume !(main_~val~0#1 < 0); 4573#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4554#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4555#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4539#L556 assume !(main_~val~0#1 < 0); 4540#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4541#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4572#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4571#L556 assume !(main_~val~0#1 < 0); 4570#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4569#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4568#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4567#L556 assume !(main_~val~0#1 < 0); 4566#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4565#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4564#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4561#L556 assume !(main_~val~0#1 < 0); 4563#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4562#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4560#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 4545#L554-4 main_~j~0#1 := 0; 4546#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4557#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4592#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4591#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4558#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4552#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4559#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4542#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4543#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4589#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4588#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4587#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4586#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4584#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4583#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4582#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4581#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4580#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4577#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4576#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4574#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4550#L562-3 [2022-11-20 12:40:56,038 INFO L750 eck$LassoCheckResult]: Loop: 4550#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4549#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4550#L562-3 [2022-11-20 12:40:56,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:56,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1637690471, now seen corresponding path program 11 times [2022-11-20 12:40:56,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:56,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786345952] [2022-11-20 12:40:56,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:56,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:56,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:56,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786345952] [2022-11-20 12:40:56,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786345952] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:40:56,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443980000] [2022-11-20 12:40:56,435 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:40:56,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:40:56,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:56,439 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:40:56,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2022-11-20 12:40:56,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:56,627 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-20 12:40:56,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:40:56,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:40:56,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:56,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:40:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:40:57,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443980000] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:40:57,098 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:40:57,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2022-11-20 12:40:57,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936481370] [2022-11-20 12:40:57,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:40:57,103 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:40:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:57,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 11 times [2022-11-20 12:40:57,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:57,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818316750] [2022-11-20 12:40:57,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:57,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 12:40:57,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2022-11-20 12:40:57,182 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:57,515 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2022-11-20 12:40:57,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 111 transitions. [2022-11-20 12:40:57,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:57,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 64 states and 79 transitions. [2022-11-20 12:40:57,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:40:57,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:40:57,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2022-11-20 12:40:57,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:40:57,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-11-20 12:40:57,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2022-11-20 12:40:57,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2022-11-20 12:40:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:40:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-11-20 12:40:57,522 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-20 12:40:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 12:40:57,522 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-20 12:40:57,523 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-20 12:40:57,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 75 transitions. [2022-11-20 12:40:57,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:40:57,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:40:57,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:40:57,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:57,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:40:57,525 INFO L748 eck$LassoCheckResult]: Stem: 5007#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5008#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5014#L551 assume !(main_~length~0#1 < 1); 5023#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5017#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5018#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5009#L556 assume !(main_~val~0#1 < 0); 5010#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5011#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5024#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5025#L556 assume !(main_~val~0#1 < 0); 5067#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5066#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5065#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5064#L556 assume !(main_~val~0#1 < 0); 5063#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5062#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5061#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5060#L556 assume !(main_~val~0#1 < 0); 5059#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5058#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5057#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5056#L556 assume !(main_~val~0#1 < 0); 5055#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5054#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5053#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5034#L556 assume !(main_~val~0#1 < 0); 5037#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5035#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5033#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 5015#L554-4 main_~j~0#1 := 0; 5016#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5026#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5051#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5050#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5027#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5022#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5028#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5012#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5013#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5048#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5047#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5046#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5045#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5043#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5042#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5041#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5040#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5039#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5032#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5031#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5029#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5020#L562-3 [2022-11-20 12:40:57,525 INFO L750 eck$LassoCheckResult]: Loop: 5020#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5019#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 5020#L562-3 [2022-11-20 12:40:57,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:57,526 INFO L85 PathProgramCache]: Analyzing trace with hash 618476690, now seen corresponding path program 12 times [2022-11-20 12:40:57,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:57,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487907587] [2022-11-20 12:40:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:57,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:57,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:57,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 12 times [2022-11-20 12:40:57,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:57,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368576657] [2022-11-20 12:40:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:57,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:40:57,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:57,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1650613783, now seen corresponding path program 6 times [2022-11-20 12:40:57,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:57,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257332102] [2022-11-20 12:40:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:57,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:40:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:40:57,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:00,084 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:41:00,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:41:00,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:41:00,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:41:00,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:41:00,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:00,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:41:00,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:41:00,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration15_Lasso [2022-11-20 12:41:00,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:41:00,085 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:41:00,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:00,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:01,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:41:01,294 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:41:01,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,296 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-20 12:41:01,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,322 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-20 12:41:01,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,345 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-20 12:41:01,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2022-11-20 12:41:01,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,371 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-20 12:41:01,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-11-20 12:41:01,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,402 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-20 12:41:01,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-11-20 12:41:01,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,429 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-20 12:41:01,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-11-20 12:41:01,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,452 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-20 12:41:01,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,479 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-20 12:41:01,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-11-20 12:41:01,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,503 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-20 12:41:01,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,526 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-20 12:41:01,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,549 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-20 12:41:01,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:01,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:01,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:01,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-20 12:41:01,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,571 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-20 12:41:01,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-11-20 12:41:01,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,599 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-20 12:41:01,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2022-11-20 12:41:01,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,653 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-20 12:41:01,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,712 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-20 12:41:01,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,760 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-20 12:41:01,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,812 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-20 12:41:01,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:01,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:01,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,877 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-20 12:41:01,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:01,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:01,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:01,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:01,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:01,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:01,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:01,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:41:01,927 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 12:41:01,927 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:41:01,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:01,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:01,929 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:01,935 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:41:01,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-20 12:41:01,949 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:41:01,949 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:41:01,950 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-20 12:41:01,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:02,027 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2022-11-20 12:41:02,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:02,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:41:02,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:02,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:02,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:02,697 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 12:41:02,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:02,905 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-20 12:41:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-20 12:41:02,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-20 12:41:02,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:02,907 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:02,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:02,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:41:02,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:03,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:03,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:03,678 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 12:41:03,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:04,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:04,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-20 12:41:04,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-20 12:41:04,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-20 12:41:04,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:04,048 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:04,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:04,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:41:04,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:04,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:04,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:04,727 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 12:41:04,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:05,343 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 126 states and 163 transitions. Complement of second has 26 states. [2022-11-20 12:41:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:41:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 100 transitions. [2022-11-20 12:41:05,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-20 12:41:05,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:05,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 54 letters. Loop has 2 letters. [2022-11-20 12:41:05,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:05,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 4 letters. [2022-11-20 12:41:05,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:05,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 163 transitions. [2022-11-20 12:41:05,348 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:41:05,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 121 states and 156 transitions. [2022-11-20 12:41:05,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:41:05,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:41:05,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 156 transitions. [2022-11-20 12:41:05,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:05,350 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 156 transitions. [2022-11-20 12:41:05,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 156 transitions. [2022-11-20 12:41:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2022-11-20 12:41:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 71 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2022-11-20 12:41:05,355 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-20 12:41:05,355 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-20 12:41:05,355 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-20 12:41:05,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 89 transitions. [2022-11-20 12:41:05,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:05,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:05,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:05,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:05,358 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:05,358 INFO L748 eck$LassoCheckResult]: Stem: 6032#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6033#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6041#L551 assume !(main_~length~0#1 < 1); 6048#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6042#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6043#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6034#L556 assume !(main_~val~0#1 < 0); 6035#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6036#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6051#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6052#L556 assume !(main_~val~0#1 < 0); 6072#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6049#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6050#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6071#L556 assume !(main_~val~0#1 < 0); 6070#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6069#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6068#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6067#L556 assume !(main_~val~0#1 < 0); 6066#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6065#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6064#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6063#L556 assume !(main_~val~0#1 < 0); 6062#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6061#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6059#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6060#L556 assume !(main_~val~0#1 < 0); 6103#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6102#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6101#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 6100#L554-4 main_~j~0#1 := 0; 6099#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6097#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6096#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6095#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6053#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6047#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6054#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6037#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6038#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6093#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6092#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6091#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6090#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6088#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6087#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6086#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6085#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6083#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6082#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6081#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6080#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6079#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6076#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6075#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6073#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6045#L562-3 [2022-11-20 12:41:05,358 INFO L750 eck$LassoCheckResult]: Loop: 6045#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6044#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6045#L562-3 [2022-11-20 12:41:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1396913127, now seen corresponding path program 13 times [2022-11-20 12:41:05,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:05,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332654543] [2022-11-20 12:41:05,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:05,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:05,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:41:05,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332654543] [2022-11-20 12:41:05,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332654543] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:41:05,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560668143] [2022-11-20 12:41:05,727 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 12:41:05,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:41:05,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:05,728 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:41:05,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2022-11-20 12:41:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:05,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:41:05,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:06,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:41:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:06,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560668143] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:41:06,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:41:06,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2022-11-20 12:41:06,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344822991] [2022-11-20 12:41:06,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:41:06,514 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:41:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:06,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 13 times [2022-11-20 12:41:06,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:06,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160794849] [2022-11-20 12:41:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:06,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:06,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:06,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:41:06,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 12:41:06,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-20 12:41:06,578 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. cyclomatic complexity: 26 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:41:06,935 INFO L93 Difference]: Finished difference Result 100 states and 122 transitions. [2022-11-20 12:41:06,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 122 transitions. [2022-11-20 12:41:06,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:06,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 68 states and 84 transitions. [2022-11-20 12:41:06,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:41:06,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:41:06,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 84 transitions. [2022-11-20 12:41:06,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:06,937 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 84 transitions. [2022-11-20 12:41:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 84 transitions. [2022-11-20 12:41:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2022-11-20 12:41:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 64 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2022-11-20 12:41:06,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-20 12:41:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 12:41:06,941 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-20 12:41:06,941 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-20 12:41:06,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 80 transitions. [2022-11-20 12:41:06,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:06,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:06,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:06,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:06,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:06,943 INFO L748 eck$LassoCheckResult]: Stem: 6579#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6580#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6586#L551 assume !(main_~length~0#1 < 1); 6595#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6589#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6590#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6581#L556 assume !(main_~val~0#1 < 0); 6582#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6583#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6596#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6597#L556 assume !(main_~val~0#1 < 0); 6643#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6642#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6641#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6640#L556 assume !(main_~val~0#1 < 0); 6639#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6638#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6637#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6636#L556 assume !(main_~val~0#1 < 0); 6635#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6634#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6633#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6632#L556 assume !(main_~val~0#1 < 0); 6631#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6630#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6629#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6628#L556 assume !(main_~val~0#1 < 0); 6627#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6626#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6625#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6606#L556 assume !(main_~val~0#1 < 0); 6609#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6607#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6605#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 6587#L554-4 main_~j~0#1 := 0; 6588#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6598#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6599#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6584#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6585#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6594#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6624#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6623#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6622#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6620#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6619#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6618#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6617#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6615#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6614#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6613#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6612#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6611#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6604#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6603#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6601#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6592#L562-3 [2022-11-20 12:41:06,944 INFO L750 eck$LassoCheckResult]: Loop: 6592#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6591#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6592#L562-3 [2022-11-20 12:41:06,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:06,944 INFO L85 PathProgramCache]: Analyzing trace with hash 886862091, now seen corresponding path program 14 times [2022-11-20 12:41:06,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:06,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936398835] [2022-11-20 12:41:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:06,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:06,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:07,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:07,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:07,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 14 times [2022-11-20 12:41:07,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:07,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217166073] [2022-11-20 12:41:07,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:07,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:07,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:07,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:07,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1870946384, now seen corresponding path program 7 times [2022-11-20 12:41:07,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:07,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655133417] [2022-11-20 12:41:07,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:07,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:07,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:07,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:11,125 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:41:11,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:41:11,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:41:11,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:41:11,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:41:11,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:11,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:41:11,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:41:11,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration17_Lasso [2022-11-20 12:41:11,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:41:11,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:41:11,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:11,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:12,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:41:12,598 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:41:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,600 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-20 12:41:12,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,626 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-20 12:41:12,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,653 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-20 12:41:12,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:12,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:12,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,716 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-20 12:41:12,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,760 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-20 12:41:12,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2022-11-20 12:41:12,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,785 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-20 12:41:12,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,809 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-20 12:41:12,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:12,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:12,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,839 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-20 12:41:12,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,862 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-20 12:41:12,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,888 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-20 12:41:12,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:12,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:12,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,919 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-20 12:41:12,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:12,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:12,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:12,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,952 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-20 12:41:12,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:12,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:12,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:12,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:12,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2022-11-20 12:41:12,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:12,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:12,978 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:12,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-20 12:41:12,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:12,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:12,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:12,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:12,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:12,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:12,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:13,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:13,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:13,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:13,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:13,006 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:13,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-20 12:41:13,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:13,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:13,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:13,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:13,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:13,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:13,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:13,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:13,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2022-11-20 12:41:13,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:13,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:13,035 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-20 12:41:13,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:13,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:13,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:13,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:13,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:13,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:13,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:13,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:13,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:13,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:13,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:13,064 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:13,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-20 12:41:13,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:13,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:13,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:13,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:13,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:13,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:13,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:13,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:13,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2022-11-20 12:41:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:13,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:13,096 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:13,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-20 12:41:13,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:13,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:13,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:13,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:13,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:13,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:13,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:13,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:13,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:13,125 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:13,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-20 12:41:13,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:13,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:13,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:13,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:13,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:13,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:13,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:13,157 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:41:13,170 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 12:41:13,170 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:41:13,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:13,172 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:13,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-20 12:41:13,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:41:13,193 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:41:13,193 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:41:13,193 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1 Supporting invariants [] [2022-11-20 12:41:13,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2022-11-20 12:41:13,244 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 12:41:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:13,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:41:13,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:13,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:13,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:13,622 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-20 12:41:13,622 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:13,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-20 12:41:13,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:13,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:41:13,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-20 12:41:13,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:13,666 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:13,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:13,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:13,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:41:13,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:14,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:14,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:14,039 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-20 12:41:14,039 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:14,077 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-20 12:41:14,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:41:14,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-20 12:41:14,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:14,079 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:14,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:14,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:41:14,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:14,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:14,392 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-20 12:41:14,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:14,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 107 transitions. Complement of second has 18 states. [2022-11-20 12:41:14,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:41:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 57 transitions. [2022-11-20 12:41:14,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-20 12:41:14,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:14,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 58 letters. Loop has 2 letters. [2022-11-20 12:41:14,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:14,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 4 letters. [2022-11-20 12:41:14,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:14,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 107 transitions. [2022-11-20 12:41:14,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:14,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 79 states and 100 transitions. [2022-11-20 12:41:14,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:41:14,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:41:14,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 100 transitions. [2022-11-20 12:41:14,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:14,591 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 100 transitions. [2022-11-20 12:41:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 100 transitions. [2022-11-20 12:41:14,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2022-11-20 12:41:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2022-11-20 12:41:14,594 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-20 12:41:14,595 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-20 12:41:14,595 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-11-20 12:41:14,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 86 transitions. [2022-11-20 12:41:14,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:14,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:14,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:14,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:14,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:14,597 INFO L748 eck$LassoCheckResult]: Stem: 7501#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7508#L551 assume !(main_~length~0#1 < 1); 7517#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7511#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7512#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7520#L556 assume !(main_~val~0#1 < 0); 7545#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7518#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7519#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7503#L556 assume !(main_~val~0#1 < 0); 7504#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7505#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7544#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7543#L556 assume !(main_~val~0#1 < 0); 7542#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7541#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7540#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7539#L556 assume !(main_~val~0#1 < 0); 7538#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7537#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7536#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7535#L556 assume !(main_~val~0#1 < 0); 7534#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7533#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7532#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7531#L556 assume !(main_~val~0#1 < 0); 7530#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7529#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7528#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7525#L556 assume !(main_~val~0#1 < 0); 7527#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7526#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7524#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 7509#L554-4 main_~j~0#1 := 0; 7510#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7521#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7569#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7568#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7522#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7516#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7523#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7506#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7507#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7566#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7565#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7564#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7563#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7561#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7560#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7559#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7558#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7556#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7555#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7554#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7553#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7552#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7549#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7548#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7546#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7514#L562-3 [2022-11-20 12:41:14,597 INFO L750 eck$LassoCheckResult]: Loop: 7514#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7513#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7514#L562-3 [2022-11-20 12:41:14,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:14,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1611822112, now seen corresponding path program 15 times [2022-11-20 12:41:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:14,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256972547] [2022-11-20 12:41:14,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:14,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:14,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:14,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:14,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 15 times [2022-11-20 12:41:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:14,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894280629] [2022-11-20 12:41:14,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:14,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:14,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:14,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:14,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145765, now seen corresponding path program 8 times [2022-11-20 12:41:14,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:14,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195582034] [2022-11-20 12:41:14,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:14,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:14,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:14,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:19,650 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:41:19,650 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:41:19,650 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:41:19,650 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:41:19,650 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:41:19,650 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:19,650 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:41:19,650 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:41:19,651 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration18_Lasso [2022-11-20 12:41:19,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:41:19,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:41:19,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:19,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:19,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:19,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:19,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:19,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:19,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:21,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:22,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:41:22,221 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:41:22,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,222 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-20 12:41:22,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:22,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:22,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:22,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2022-11-20 12:41:22,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,274 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-20 12:41:22,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:22,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:22,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:22,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,298 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-20 12:41:22,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-11-20 12:41:22,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,327 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-20 12:41:22,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,355 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-20 12:41:22,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2022-11-20 12:41:22,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,383 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-20 12:41:22,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:22,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:22,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:22,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,409 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-11-20 12:41:22,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,466 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-11-20 12:41:22,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,521 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-11-20 12:41:22,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,572 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-11-20 12:41:22,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,643 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-11-20 12:41:22,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,707 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-11-20 12:41:22,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:22,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:22,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,770 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:22,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-11-20 12:41:22,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:22,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:22,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:22,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:22,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:22,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:22,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:41:22,864 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 12:41:22,864 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:41:22,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,867 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:41:22,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-11-20 12:41:22,914 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:41:22,914 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:41:22,915 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4 Supporting invariants [] [2022-11-20 12:41:22,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:23,111 INFO L156 tatePredicateManager]: 28 out of 29 supporting invariants were superfluous and have been removed [2022-11-20 12:41:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:23,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:41:23,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:23,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:23,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:23,945 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 12:41:23,946 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:24,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-20 12:41:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-20 12:41:24,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-20 12:41:24,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:24,180 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:24,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:41:24,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:24,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:24,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:24,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:24,925 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 12:41:24,925 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:25,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-20 12:41:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-20 12:41:25,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-20 12:41:25,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:25,204 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:25,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:25,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:41:25,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:25,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:25,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:25,902 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 12:41:25,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:26,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 142 states and 184 transitions. Complement of second has 29 states. [2022-11-20 12:41:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:41:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-20 12:41:26,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-20 12:41:26,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:26,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 62 letters. Loop has 2 letters. [2022-11-20 12:41:26,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:26,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 4 letters. [2022-11-20 12:41:26,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:26,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 184 transitions. [2022-11-20 12:41:26,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:41:26,467 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 137 states and 177 transitions. [2022-11-20 12:41:26,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:41:26,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:41:26,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-11-20 12:41:26,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:26,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-20 12:41:26,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-11-20 12:41:26,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 81. [2022-11-20 12:41:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 80 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2022-11-20 12:41:26,472 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-20 12:41:26,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-20 12:41:26,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-11-20 12:41:26,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 100 transitions. [2022-11-20 12:41:26,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:26,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:26,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:26,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:26,475 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:26,475 INFO L748 eck$LassoCheckResult]: Stem: 8704#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8705#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8711#L551 assume !(main_~length~0#1 < 1); 8716#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 8714#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 8715#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8706#L556 assume !(main_~val~0#1 < 0); 8707#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8708#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8723#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8724#L556 assume !(main_~val~0#1 < 0); 8748#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8721#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8722#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8747#L556 assume !(main_~val~0#1 < 0); 8746#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8745#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8744#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8743#L556 assume !(main_~val~0#1 < 0); 8742#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8741#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8740#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8739#L556 assume !(main_~val~0#1 < 0); 8738#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8737#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8736#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8735#L556 assume !(main_~val~0#1 < 0); 8734#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8733#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8731#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8732#L556 assume !(main_~val~0#1 < 0); 8784#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8783#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8782#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 8781#L554-4 main_~j~0#1 := 0; 8780#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8778#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8777#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8776#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8725#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8720#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8726#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8709#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8710#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8774#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8773#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8772#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8771#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8769#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8768#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8767#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8766#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8764#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8763#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8762#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8761#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8759#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8758#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8757#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8756#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8755#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8752#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8751#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8749#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8718#L562-3 [2022-11-20 12:41:26,475 INFO L750 eck$LassoCheckResult]: Loop: 8718#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8717#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 8718#L562-3 [2022-11-20 12:41:26,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:26,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1801767883, now seen corresponding path program 16 times [2022-11-20 12:41:26,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:26,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215898250] [2022-11-20 12:41:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:26,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:26,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:41:26,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215898250] [2022-11-20 12:41:26,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215898250] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:41:26,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347127300] [2022-11-20 12:41:26,946 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:41:26,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:41:26,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:26,948 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:41:26,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Waiting until timeout for monitored process [2022-11-20 12:41:27,103 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:41:27,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:41:27,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:41:27,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:27,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:41:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:27,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347127300] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:41:27,854 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:41:27,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2022-11-20 12:41:27,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354035968] [2022-11-20 12:41:27,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:41:27,856 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:41:27,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:27,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 16 times [2022-11-20 12:41:27,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:27,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5855124] [2022-11-20 12:41:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:27,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:27,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:27,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:41:27,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-20 12:41:27,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2022-11-20 12:41:27,912 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. cyclomatic complexity: 29 Second operand has 29 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 29 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:28,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:41:28,355 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2022-11-20 12:41:28,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 139 transitions. [2022-11-20 12:41:28,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:28,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 77 states and 95 transitions. [2022-11-20 12:41:28,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:41:28,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:41:28,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 95 transitions. [2022-11-20 12:41:28,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:28,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 95 transitions. [2022-11-20 12:41:28,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 95 transitions. [2022-11-20 12:41:28,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2022-11-20 12:41:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 73 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2022-11-20 12:41:28,360 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-20 12:41:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 12:41:28,361 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-20 12:41:28,361 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-11-20 12:41:28,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 91 transitions. [2022-11-20 12:41:28,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:28,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:28,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:28,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:28,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:28,364 INFO L748 eck$LassoCheckResult]: Stem: 9327#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9328#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9336#L551 assume !(main_~length~0#1 < 1); 9343#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 9337#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 9338#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9329#L556 assume !(main_~val~0#1 < 0); 9330#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9331#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9344#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9345#L556 assume !(main_~val~0#1 < 0); 9400#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9399#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9398#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9397#L556 assume !(main_~val~0#1 < 0); 9396#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9395#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9394#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9393#L556 assume !(main_~val~0#1 < 0); 9392#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9391#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9390#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9389#L556 assume !(main_~val~0#1 < 0); 9388#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9387#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9386#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9385#L556 assume !(main_~val~0#1 < 0); 9384#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9383#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9382#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9381#L556 assume !(main_~val~0#1 < 0); 9380#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9379#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9378#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9350#L556 assume !(main_~val~0#1 < 0); 9356#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9353#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9349#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 9334#L554-4 main_~j~0#1 := 0; 9335#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9346#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9376#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9375#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9347#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9342#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9348#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9332#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9333#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9373#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9372#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9371#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9370#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9368#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9367#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9366#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9365#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9363#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9362#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9361#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9360#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9359#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9355#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9354#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9351#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9340#L562-3 [2022-11-20 12:41:28,364 INFO L750 eck$LassoCheckResult]: Loop: 9340#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9339#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 9340#L562-3 [2022-11-20 12:41:28,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:28,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1598635865, now seen corresponding path program 17 times [2022-11-20 12:41:28,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:28,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436829608] [2022-11-20 12:41:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:28,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:28,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:28,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 17 times [2022-11-20 12:41:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:28,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628445876] [2022-11-20 12:41:28,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:28,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:28,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:28,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:28,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1309224162, now seen corresponding path program 9 times [2022-11-20 12:41:28,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:28,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198661686] [2022-11-20 12:41:28,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:28,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:28,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:28,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:35,786 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 291 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:41:36,299 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:41:36,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:41:36,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:41:36,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:41:36,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:41:36,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:36,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:41:36,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:41:36,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration20_Lasso [2022-11-20 12:41:36,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:41:36,299 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:41:36,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:36,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:38,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:41:38,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:41:38,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,087 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-11-20 12:41:38,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2022-11-20 12:41:38,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,111 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-11-20 12:41:38,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2022-11-20 12:41:38,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,138 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-11-20 12:41:38,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2022-11-20 12:41:38,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,166 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-11-20 12:41:38,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:38,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,189 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-11-20 12:41:38,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-11-20 12:41:38,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,217 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-11-20 12:41:38,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:38,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,246 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-11-20 12:41:38,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:38,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,270 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-11-20 12:41:38,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2022-11-20 12:41:38,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,298 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-11-20 12:41:38,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:38,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,324 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-11-20 12:41:38,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-11-20 12:41:38,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,352 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-11-20 12:41:38,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2022-11-20 12:41:38,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,376 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-11-20 12:41:38,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-11-20 12:41:38,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,399 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-11-20 12:41:38,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:38,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:38,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:38,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2022-11-20 12:41:38,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,423 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-11-20 12:41:38,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-11-20 12:41:38,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,451 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-11-20 12:41:38,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-11-20 12:41:38,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,479 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-11-20 12:41:38,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-11-20 12:41:38,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,523 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-11-20 12:41:38,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-11-20 12:41:38,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,559 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-11-20 12:41:38,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:38,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,590 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-11-20 12:41:38,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-11-20 12:41:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,622 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-11-20 12:41:38,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-11-20 12:41:38,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,664 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-11-20 12:41:38,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:38,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2022-11-20 12:41:38,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,692 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-11-20 12:41:38,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:38,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:38,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:38,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:38,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:38,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:38,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:38,722 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:41:38,736 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 12:41:38,736 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:41:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:38,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:38,738 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:38,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-11-20 12:41:38,741 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:41:38,755 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:41:38,755 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:41:38,755 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2 Supporting invariants [] [2022-11-20 12:41:38,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2022-11-20 12:41:38,814 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-11-20 12:41:38,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:38,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:41:38,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:39,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:39,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:39,254 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 12:41:39,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:39,287 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-20 12:41:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:41:39,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-20 12:41:39,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:39,289 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:39,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:39,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:41:39,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:39,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:39,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:39,695 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 12:41:39,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:39,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-20 12:41:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:41:39,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-20 12:41:39,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:39,735 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:39,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:39,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:39,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:41:39,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:40,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:40,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:40,128 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 12:41:40,128 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:40,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 94 states and 120 transitions. Complement of second has 20 states. [2022-11-20 12:41:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:41:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:40,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 63 transitions. [2022-11-20 12:41:40,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-20 12:41:40,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:40,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 66 letters. Loop has 2 letters. [2022-11-20 12:41:40,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:40,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 4 letters. [2022-11-20 12:41:40,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:40,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 120 transitions. [2022-11-20 12:41:40,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:40,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 113 transitions. [2022-11-20 12:41:40,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:41:40,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:41:40,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 113 transitions. [2022-11-20 12:41:40,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:40,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 113 transitions. [2022-11-20 12:41:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 113 transitions. [2022-11-20 12:41:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2022-11-20 12:41:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 78 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-11-20 12:41:40,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-20 12:41:40,377 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-20 12:41:40,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-11-20 12:41:40,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 97 transitions. [2022-11-20 12:41:40,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:40,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:40,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:40,381 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:40,381 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:40,381 INFO L748 eck$LassoCheckResult]: Stem: 10376#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10383#L551 assume !(main_~length~0#1 < 1); 10392#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10386#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 10387#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10395#L556 assume !(main_~val~0#1 < 0); 10424#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10393#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10394#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10378#L556 assume !(main_~val~0#1 < 0); 10379#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10380#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10423#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10422#L556 assume !(main_~val~0#1 < 0); 10421#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10420#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10419#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10418#L556 assume !(main_~val~0#1 < 0); 10417#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10416#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10415#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10414#L556 assume !(main_~val~0#1 < 0); 10413#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10412#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10411#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10410#L556 assume !(main_~val~0#1 < 0); 10409#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10408#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10407#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10406#L556 assume !(main_~val~0#1 < 0); 10405#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10404#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10403#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10400#L556 assume !(main_~val~0#1 < 0); 10402#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10401#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10399#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 10384#L554-4 main_~j~0#1 := 0; 10385#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10396#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10453#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10452#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10397#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10391#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10398#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10381#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10382#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10450#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10449#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10448#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10447#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10445#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10444#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10443#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10442#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10440#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10439#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10438#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10437#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10435#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10434#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10433#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10432#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10431#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10428#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10427#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10425#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10389#L562-3 [2022-11-20 12:41:40,381 INFO L750 eck$LassoCheckResult]: Loop: 10389#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10388#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 10389#L562-3 [2022-11-20 12:41:40,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 260997934, now seen corresponding path program 18 times [2022-11-20 12:41:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:40,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497679181] [2022-11-20 12:41:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:40,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:40,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:40,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:40,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 18 times [2022-11-20 12:41:40,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:40,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48781588] [2022-11-20 12:41:40,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:40,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:40,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:40,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:40,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1710912947, now seen corresponding path program 10 times [2022-11-20 12:41:40,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:40,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887191840] [2022-11-20 12:41:40,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:40,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:40,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:40,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:46,174 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 305 DAG size of output: 233 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:41:46,766 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:41:46,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:41:46,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:41:46,767 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:41:46,767 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:41:46,767 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:46,767 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:41:46,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:41:46,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration21_Lasso [2022-11-20 12:41:46,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:41:46,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:41:46,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:46,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:46,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:46,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:46,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:46,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:46,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:48,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:41:49,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:41:49,560 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:41:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,563 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-11-20 12:41:49,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:49,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:49,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:49,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:49,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,587 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-11-20 12:41:49,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:49,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:49,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2022-11-20 12:41:49,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,614 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-11-20 12:41:49,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:49,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:49,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:49,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:49,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,654 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-11-20 12:41:49,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:49,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:49,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2022-11-20 12:41:49,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,680 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-11-20 12:41:49,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:49,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:49,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2022-11-20 12:41:49,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,706 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-11-20 12:41:49,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:41:49,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:41:49,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:41:49,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2022-11-20 12:41:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,737 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-11-20 12:41:49,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:49,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:49,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2022-11-20 12:41:49,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,769 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-11-20 12:41:49,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:49,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:49,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:41:49,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2022-11-20 12:41:49,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,807 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-11-20 12:41:49,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:41:49,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:41:49,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:41:49,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:41:49,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:41:49,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:41:49,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:41:49,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:41:49,855 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 12:41:49,855 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:41:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:49,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:49,857 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:49,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2022-11-20 12:41:49,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:41:49,873 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:41:49,873 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:41:49,874 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5 Supporting invariants [] [2022-11-20 12:41:49,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2022-11-20 12:41:50,053 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-20 12:41:50,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:50,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 12:41:50,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:50,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:50,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:50,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:51,046 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-20 12:41:51,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:51,482 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-20 12:41:51,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-20 12:41:51,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-20 12:41:51,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:51,485 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:51,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 12:41:51,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:52,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:52,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:52,352 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-20 12:41:52,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:52,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-20 12:41:52,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:41:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-20 12:41:52,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-20 12:41:52,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:52,796 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:41:52,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:52,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 12:41:52,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:53,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:41:53,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:53,657 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-20 12:41:53,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:54,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 158 states and 205 transitions. Complement of second has 32 states. [2022-11-20 12:41:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:41:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 122 transitions. [2022-11-20 12:41:54,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-20 12:41:54,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:54,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 70 letters. Loop has 2 letters. [2022-11-20 12:41:54,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:54,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 4 letters. [2022-11-20 12:41:54,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:41:54,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 205 transitions. [2022-11-20 12:41:54,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:41:54,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 153 states and 198 transitions. [2022-11-20 12:41:54,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:41:54,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:41:54,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 198 transitions. [2022-11-20 12:41:54,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:54,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 198 transitions. [2022-11-20 12:41:54,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 198 transitions. [2022-11-20 12:41:54,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 90. [2022-11-20 12:41:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-11-20 12:41:54,346 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-20 12:41:54,346 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-20 12:41:54,346 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-11-20 12:41:54,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 111 transitions. [2022-11-20 12:41:54,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:54,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:54,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:54,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:54,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:54,349 INFO L748 eck$LassoCheckResult]: Stem: 11725#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11726#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11734#L551 assume !(main_~length~0#1 < 1); 11741#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11735#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11736#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11727#L556 assume !(main_~val~0#1 < 0); 11728#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11729#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11744#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11745#L556 assume !(main_~val~0#1 < 0); 11773#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11742#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11743#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11772#L556 assume !(main_~val~0#1 < 0); 11771#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11770#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11769#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11768#L556 assume !(main_~val~0#1 < 0); 11767#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11766#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11765#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11764#L556 assume !(main_~val~0#1 < 0); 11763#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11762#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11761#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11760#L556 assume !(main_~val~0#1 < 0); 11759#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11758#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11757#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11756#L556 assume !(main_~val~0#1 < 0); 11755#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11754#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11752#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11753#L556 assume !(main_~val~0#1 < 0); 11814#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11813#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11812#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 11811#L554-4 main_~j~0#1 := 0; 11810#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11808#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11807#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11806#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11746#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11740#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11747#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11730#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11731#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11804#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11803#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11802#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11801#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11799#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11798#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11797#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11796#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11794#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11793#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11792#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11791#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11789#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11788#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11787#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11786#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11784#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11783#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11782#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11781#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11780#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11777#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11776#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11774#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11738#L562-3 [2022-11-20 12:41:54,350 INFO L750 eck$LassoCheckResult]: Loop: 11738#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11737#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 11738#L562-3 [2022-11-20 12:41:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash -785132413, now seen corresponding path program 19 times [2022-11-20 12:41:54,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:54,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027297783] [2022-11-20 12:41:54,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 91 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:54,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:41:54,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027297783] [2022-11-20 12:41:54,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027297783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:41:54,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142360345] [2022-11-20 12:41:54,896 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 12:41:54,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:41:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:54,903 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:41:54,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (176)] Waiting until timeout for monitored process [2022-11-20 12:41:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:55,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 12:41:55,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:41:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:55,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:41:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:56,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142360345] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:41:56,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:41:56,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 31 [2022-11-20 12:41:56,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411659872] [2022-11-20 12:41:56,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:41:56,015 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:41:56,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:56,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 19 times [2022-11-20 12:41:56,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:56,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621308629] [2022-11-20 12:41:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:56,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:41:56,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-20 12:41:56,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2022-11-20 12:41:56,076 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. cyclomatic complexity: 32 Second operand has 32 states, 31 states have (on average 3.7419354838709675) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:41:56,496 INFO L93 Difference]: Finished difference Result 128 states and 156 transitions. [2022-11-20 12:41:56,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 156 transitions. [2022-11-20 12:41:56,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:56,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 86 states and 106 transitions. [2022-11-20 12:41:56,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:41:56,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:41:56,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 106 transitions. [2022-11-20 12:41:56,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:41:56,499 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 106 transitions. [2022-11-20 12:41:56,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 106 transitions. [2022-11-20 12:41:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2022-11-20 12:41:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 82 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:41:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-11-20 12:41:56,502 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-20 12:41:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 12:41:56,503 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-20 12:41:56,503 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-11-20 12:41:56,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2022-11-20 12:41:56,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:41:56,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:56,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:56,505 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:56,505 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:41:56,506 INFO L748 eck$LassoCheckResult]: Stem: 12424#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 12433#L551 assume !(main_~length~0#1 < 1); 12440#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12434#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 12435#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12426#L556 assume !(main_~val~0#1 < 0); 12427#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12428#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12441#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12442#L556 assume !(main_~val~0#1 < 0); 12506#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12505#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12504#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12503#L556 assume !(main_~val~0#1 < 0); 12502#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12501#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12500#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12499#L556 assume !(main_~val~0#1 < 0); 12498#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12497#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12496#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12495#L556 assume !(main_~val~0#1 < 0); 12494#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12493#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12492#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12491#L556 assume !(main_~val~0#1 < 0); 12490#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12489#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12488#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12487#L556 assume !(main_~val~0#1 < 0); 12486#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12485#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12484#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12483#L556 assume !(main_~val~0#1 < 0); 12482#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12481#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12480#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12447#L556 assume !(main_~val~0#1 < 0); 12453#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12450#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12446#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 12431#L554-4 main_~j~0#1 := 0; 12432#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12443#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12478#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12477#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12444#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12439#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12445#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12429#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12430#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12475#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12474#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12473#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12472#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12470#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12469#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12468#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12467#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12465#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12464#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12463#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12462#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12460#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12459#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12458#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12457#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12456#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12452#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12451#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12448#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12437#L562-3 [2022-11-20 12:41:56,506 INFO L750 eck$LassoCheckResult]: Loop: 12437#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12436#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 12437#L562-3 [2022-11-20 12:41:56,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:56,506 INFO L85 PathProgramCache]: Analyzing trace with hash 836742567, now seen corresponding path program 20 times [2022-11-20 12:41:56,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:56,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061119296] [2022-11-20 12:41:56,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:56,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 20 times [2022-11-20 12:41:56,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:56,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197454287] [2022-11-20 12:41:56,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:56,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash 950724076, now seen corresponding path program 11 times [2022-11-20 12:41:56,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:56,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63280301] [2022-11-20 12:41:56,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:56,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:56,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:04,078 WARN L233 SmtUtils]: Spent 7.35s on a formula simplification. DAG size of input: 324 DAG size of output: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:42:05,278 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:42:05,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:42:05,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:42:05,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:42:05,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:42:05,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:05,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:42:05,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:42:05,280 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration23_Lasso [2022-11-20 12:42:05,280 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:42:05,280 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:42:05,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,336 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:05,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:06,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:06,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:07,618 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:42:07,619 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:42:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,620 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-11-20 12:42:07,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:07,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,648 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-11-20 12:42:07,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2022-11-20 12:42:07,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,675 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-11-20 12:42:07,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:07,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:07,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:07,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2022-11-20 12:42:07,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,700 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-11-20 12:42:07,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2022-11-20 12:42:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,727 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-11-20 12:42:07,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:07,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:07,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:07,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:07,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,751 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-11-20 12:42:07,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-11-20 12:42:07,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,779 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-11-20 12:42:07,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:07,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:07,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:07,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2022-11-20 12:42:07,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,803 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-11-20 12:42:07,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:07,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:07,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:07,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2022-11-20 12:42:07,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,826 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-11-20 12:42:07,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:07,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,859 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-11-20 12:42:07,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:07,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:07,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:07,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:07,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,885 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-11-20 12:42:07,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-11-20 12:42:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,916 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-11-20 12:42:07,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:07,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:07,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:07,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2022-11-20 12:42:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,940 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-11-20 12:42:07,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:07,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:07,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:07,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:07,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:07,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:07,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:07,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:07,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:07,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:07,984 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:07,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-11-20 12:42:07,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:08,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2022-11-20 12:42:08,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,016 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-11-20 12:42:08,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:08,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2022-11-20 12:42:08,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,045 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-11-20 12:42:08,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:08,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-11-20 12:42:08,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,080 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-11-20 12:42:08,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:08,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2022-11-20 12:42:08,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,126 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-11-20 12:42:08,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:08,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-11-20 12:42:08,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,159 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-11-20 12:42:08,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:08,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2022-11-20 12:42:08,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,224 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-11-20 12:42:08,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:08,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:08,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:08,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:08,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:08,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:08,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:08,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:42:08,276 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 12:42:08,276 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:42:08,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:08,277 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:08,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-11-20 12:42:08,281 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:42:08,295 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:42:08,295 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:42:08,295 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5 Supporting invariants [] [2022-11-20 12:42:08,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2022-11-20 12:42:08,417 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2022-11-20 12:42:08,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:08,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 12:42:08,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:09,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:09,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:09,398 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-20 12:42:09,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:09,841 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-20 12:42:09,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:42:09,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:09,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-20 12:42:09,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 12:42:09,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:09,844 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:42:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:09,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 12:42:09,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:09,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:10,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:10,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:10,813 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-20 12:42:10,813 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:11,126 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-20 12:42:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:42:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-20 12:42:11,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 12:42:11,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:11,128 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:42:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:11,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 12:42:11,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:12,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:12,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:12,083 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-20 12:42:12,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:12,914 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 162 states and 210 transitions. Complement of second has 33 states. [2022-11-20 12:42:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 23 states 19 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:42:12,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 127 transitions. [2022-11-20 12:42:12,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 12:42:12,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:12,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 74 letters. Loop has 2 letters. [2022-11-20 12:42:12,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:12,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 4 letters. [2022-11-20 12:42:12,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:12,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 210 transitions. [2022-11-20 12:42:12,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:42:12,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 157 states and 203 transitions. [2022-11-20 12:42:12,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:42:12,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:42:12,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 203 transitions. [2022-11-20 12:42:12,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:42:12,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 203 transitions. [2022-11-20 12:42:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 203 transitions. [2022-11-20 12:42:12,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 94. [2022-11-20 12:42:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 93 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 116 transitions. [2022-11-20 12:42:12,925 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-20 12:42:12,925 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-20 12:42:12,925 INFO L335 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-11-20 12:42:12,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 116 transitions. [2022-11-20 12:42:12,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:42:12,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:42:12,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:42:12,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:12,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:42:12,928 INFO L748 eck$LassoCheckResult]: Stem: 13794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 13801#L551 assume !(main_~length~0#1 < 1); 13806#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 13804#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13805#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13796#L556 assume !(main_~val~0#1 < 0); 13797#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13798#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13813#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13814#L556 assume !(main_~val~0#1 < 0); 13846#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13811#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13812#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13845#L556 assume !(main_~val~0#1 < 0); 13844#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13843#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13842#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13841#L556 assume !(main_~val~0#1 < 0); 13840#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13839#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13838#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13837#L556 assume !(main_~val~0#1 < 0); 13836#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13835#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13834#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13833#L556 assume !(main_~val~0#1 < 0); 13832#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13831#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13830#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13829#L556 assume !(main_~val~0#1 < 0); 13828#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13827#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13826#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13825#L556 assume !(main_~val~0#1 < 0); 13824#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13823#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13821#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13822#L556 assume !(main_~val~0#1 < 0); 13887#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13886#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13885#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 13884#L554-4 main_~j~0#1 := 0; 13883#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13881#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13880#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13879#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13815#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13810#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13816#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13799#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13800#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13877#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13876#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13875#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13874#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13872#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13871#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13870#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13869#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13867#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13866#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13865#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13864#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13862#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13861#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13860#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13859#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13857#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13856#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13855#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13854#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13853#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13850#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13849#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13847#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13808#L562-3 [2022-11-20 12:42:12,928 INFO L750 eck$LassoCheckResult]: Loop: 13808#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13807#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 13808#L562-3 [2022-11-20 12:42:12,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:12,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1182197124, now seen corresponding path program 21 times [2022-11-20 12:42:12,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:12,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510319274] [2022-11-20 12:42:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:12,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:12,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:13,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:13,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:13,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 21 times [2022-11-20 12:42:13,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:13,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801314133] [2022-11-20 12:42:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:13,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:13,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:13,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:13,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:13,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2074898817, now seen corresponding path program 12 times [2022-11-20 12:42:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:13,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424931575] [2022-11-20 12:42:13,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:13,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:13,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:13,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:24,479 WARN L233 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 338 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:42:25,189 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:42:25,189 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:42:25,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:42:25,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:42:25,190 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:42:25,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:25,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:42:25,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:42:25,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration24_Lasso [2022-11-20 12:42:25,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:42:25,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:42:25,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:25,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:27,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:28,554 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:42:28,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:42:28,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,555 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-11-20 12:42:28,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:28,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:28,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-11-20 12:42:28,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,596 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-11-20 12:42:28,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:28,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,619 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-11-20 12:42:28,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:28,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,642 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-11-20 12:42:28,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:28,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:28,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2022-11-20 12:42:28,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,670 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-11-20 12:42:28,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:28,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:28,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2022-11-20 12:42:28,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,703 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-11-20 12:42:28,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2022-11-20 12:42:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,727 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-11-20 12:42:28,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:28,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:28,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2022-11-20 12:42:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,753 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-11-20 12:42:28,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2022-11-20 12:42:28,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,776 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-11-20 12:42:28,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2022-11-20 12:42:28,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,813 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-11-20 12:42:28,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:28,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:28,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-11-20 12:42:28,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,844 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-11-20 12:42:28,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2022-11-20 12:42:28,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,867 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-11-20 12:42:28,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:28,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:28,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:28,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2022-11-20 12:42:28,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,890 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-11-20 12:42:28,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:28,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:28,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:28,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:28,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:28,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:28,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:28,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:28,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2022-11-20 12:42:28,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:28,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:28,924 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:28,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2022-11-20 12:42:28,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2022-11-20 12:42:30,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:30,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:30,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:30,988 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2022-11-20 12:42:30,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 94 states and 116 transitions. cyclomatic complexity: 33 Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:31,376 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 94 states and 116 transitions. cyclomatic complexity: 33. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 165 states and 214 transitions. Complement of second has 24 states. [2022-11-20 12:42:31,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:42:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 75 transitions. [2022-11-20 12:42:31,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 75 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-20 12:42:31,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:31,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 75 transitions. Stem has 78 letters. Loop has 2 letters. [2022-11-20 12:42:31,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:31,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 75 transitions. Stem has 76 letters. Loop has 4 letters. [2022-11-20 12:42:31,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:31,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 214 transitions. [2022-11-20 12:42:31,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:42:31,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 160 states and 207 transitions. [2022-11-20 12:42:31,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:42:31,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:42:31,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 207 transitions. [2022-11-20 12:42:31,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:42:31,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 160 states and 207 transitions. [2022-11-20 12:42:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 207 transitions. [2022-11-20 12:42:31,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 136. [2022-11-20 12:42:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 135 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2022-11-20 12:42:31,387 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-11-20 12:42:31,387 INFO L428 stractBuchiCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-11-20 12:42:31,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2022-11-20 12:42:31,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 168 transitions. [2022-11-20 12:42:31,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:42:31,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:42:31,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:42:31,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:31,390 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:42:31,390 INFO L748 eck$LassoCheckResult]: Stem: 15124#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 15125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 15131#L551 assume !(main_~length~0#1 < 1); 15140#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 15134#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 15135#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15126#L556 assume !(main_~val~0#1 < 0); 15127#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15128#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15143#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15144#L556 assume !(main_~val~0#1 < 0); 15177#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15141#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15142#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15176#L556 assume !(main_~val~0#1 < 0); 15175#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15174#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15173#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15172#L556 assume !(main_~val~0#1 < 0); 15171#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15170#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15169#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15168#L556 assume !(main_~val~0#1 < 0); 15167#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15166#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15165#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15164#L556 assume !(main_~val~0#1 < 0); 15163#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15162#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15161#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15160#L556 assume !(main_~val~0#1 < 0); 15159#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15158#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15157#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15156#L556 assume !(main_~val~0#1 < 0); 15155#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15154#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15153#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15152#L556 assume !(main_~val~0#1 < 0); 15151#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15150#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15148#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15149#L556 assume !(main_~val~0#1 < 0); 15229#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15228#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15227#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 15226#L554-4 main_~j~0#1 := 0; 15225#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15223#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15222#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15221#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15220#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15218#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15217#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15216#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15215#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15213#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15212#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15211#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15210#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15208#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15207#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15206#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15205#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15202#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15201#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15200#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15199#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15197#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15195#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15193#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15192#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15190#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15189#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 15188#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 15178#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 15137#L562-3 [2022-11-20 12:42:31,390 INFO L750 eck$LassoCheckResult]: Loop: 15137#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15136#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 15137#L562-3 [2022-11-20 12:42:31,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash 439677856, now seen corresponding path program 22 times [2022-11-20 12:42:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:31,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804582187] [2022-11-20 12:42:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:31,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:31,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:31,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 22 times [2022-11-20 12:42:31,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:31,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741310560] [2022-11-20 12:42:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:31,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:31,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:31,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:31,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1623626149, now seen corresponding path program 13 times [2022-11-20 12:42:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:31,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59563686] [2022-11-20 12:42:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:31,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:31,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:44,011 WARN L233 SmtUtils]: Spent 12.30s on a formula simplification. DAG size of input: 343 DAG size of output: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:42:44,806 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:42:44,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:42:44,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:42:44,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:42:44,807 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:42:44,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:44,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:42:44,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:42:44,807 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration25_Lasso [2022-11-20 12:42:44,807 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:42:44,807 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:42:44,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:44,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:44,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:46,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:42:47,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:42:47,715 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:42:47,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,717 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:47,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2022-11-20 12:42:47,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:47,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:42:47,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:47,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:47,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:47,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:42:47,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:42:47,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:47,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,776 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2022-11-20 12:42:47,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:47,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:47,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:47,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:47,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:47,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:47,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:47,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:47,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,820 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2022-11-20 12:42:47,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:47,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:47,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:47,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:47,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:47,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:47,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:47,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,877 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:47,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2022-11-20 12:42:47,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:47,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:47,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:47,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:47,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:47,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:47,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:47,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2022-11-20 12:42:47,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,922 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:47,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2022-11-20 12:42:47,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:47,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:47,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:47,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:47,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:47,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:47,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:47,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2022-11-20 12:42:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,959 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2022-11-20 12:42:47,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:47,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:47,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:47,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:47,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:47,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:47,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:47,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:47,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2022-11-20 12:42:47,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:47,992 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:47,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2022-11-20 12:42:47,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2022-11-20 12:42:48,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,025 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2022-11-20 12:42:48,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:48,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,093 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2022-11-20 12:42:48,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2022-11-20 12:42:48,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,128 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2022-11-20 12:42:48,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2022-11-20 12:42:48,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,158 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2022-11-20 12:42:48,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2022-11-20 12:42:48,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,192 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2022-11-20 12:42:48,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2022-11-20 12:42:48,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,222 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2022-11-20 12:42:48,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2022-11-20 12:42:48,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,255 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2022-11-20 12:42:48,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:42:48,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2022-11-20 12:42:48,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,288 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:42:48,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2022-11-20 12:42:48,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:42:48,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:42:48,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:42:48,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:42:48,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:42:48,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:42:48,346 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:42:48,360 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:42:48,361 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 12:42:48,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:42:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:48,363 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:48,368 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:42:48,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2022-11-20 12:42:48,407 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:42:48,407 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:42:48,407 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 28))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 28))_3 Supporting invariants [] [2022-11-20 12:42:48,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:48,590 INFO L156 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-11-20 12:42:48,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:48,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:42:48,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:49,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:49,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:49,059 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2022-11-20 12:42:49,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:49,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 172 transitions. Complement of second has 4 states. [2022-11-20 12:42:49,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:42:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:42:49,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-20 12:42:49,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:49,101 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:42:49,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:49,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:42:49,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:49,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:49,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:49,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:49,606 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 2 loop predicates [2022-11-20 12:42:49,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:49,641 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 172 transitions. Complement of second has 4 states. [2022-11-20 12:42:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:42:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:42:49,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-20 12:42:49,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:49,643 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:42:49,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:49,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:42:49,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:50,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:42:50,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:50,101 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2022-11-20 12:42:50,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:50,352 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 168 transitions. cyclomatic complexity: 52. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 162 states and 211 transitions. Complement of second has 22 states. [2022-11-20 12:42:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:42:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 69 transitions. [2022-11-20 12:42:50,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 69 transitions. Stem has 76 letters. Loop has 2 letters. [2022-11-20 12:42:50,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:50,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 69 transitions. Stem has 78 letters. Loop has 2 letters. [2022-11-20 12:42:50,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:50,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 69 transitions. Stem has 76 letters. Loop has 4 letters. [2022-11-20 12:42:50,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:42:50,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 211 transitions. [2022-11-20 12:42:50,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:42:50,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 155 states and 201 transitions. [2022-11-20 12:42:50,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 12:42:50,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 12:42:50,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 201 transitions. [2022-11-20 12:42:50,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:42:50,369 INFO L218 hiAutomatonCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-11-20 12:42:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 201 transitions. [2022-11-20 12:42:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 93. [2022-11-20 12:42:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2258064516129032) internal successors, (114), 92 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2022-11-20 12:42:50,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 114 transitions. [2022-11-20 12:42:50,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 114 transitions. [2022-11-20 12:42:50,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2022-11-20 12:42:50,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 114 transitions. [2022-11-20 12:42:50,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:42:50,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:42:50,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:42:50,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:50,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:42:50,376 INFO L748 eck$LassoCheckResult]: Stem: 16627#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 16628#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 16634#L551 assume !(main_~length~0#1 < 1); 16639#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 16637#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 16638#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16645#L556 assume !(main_~val~0#1 < 0); 16684#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16683#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16646#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16629#L556 assume !(main_~val~0#1 < 0); 16630#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16631#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16644#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16682#L556 assume !(main_~val~0#1 < 0); 16681#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16680#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16679#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16678#L556 assume !(main_~val~0#1 < 0); 16677#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16676#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16675#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16674#L556 assume !(main_~val~0#1 < 0); 16673#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16672#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16671#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16670#L556 assume !(main_~val~0#1 < 0); 16669#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16668#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16667#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16666#L556 assume !(main_~val~0#1 < 0); 16665#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16664#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16663#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16662#L556 assume !(main_~val~0#1 < 0); 16661#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16660#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16659#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16655#L556 assume !(main_~val~0#1 < 0); 16658#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16657#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 16654#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 16635#L554-4 main_~j~0#1 := 0; 16636#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16647#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16718#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16717#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16648#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16643#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16649#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16632#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16633#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16715#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16714#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16713#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16712#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16710#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16709#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16708#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16707#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16705#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16704#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16703#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16702#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16700#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16699#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16698#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16697#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16695#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16694#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16693#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16692#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16690#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16689#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16688#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16687#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16686#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16653#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 16652#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 16650#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 16641#L562-3 [2022-11-20 12:42:50,376 INFO L750 eck$LassoCheckResult]: Loop: 16641#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16640#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 16641#L562-3 [2022-11-20 12:42:50,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1112937681, now seen corresponding path program 23 times [2022-11-20 12:42:50,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:50,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719551611] [2022-11-20 12:42:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 120 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:50,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:50,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719551611] [2022-11-20 12:42:50,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719551611] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:42:50,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023391661] [2022-11-20 12:42:50,971 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:42:50,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:50,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:50,975 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:42:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (238)] Waiting until timeout for monitored process [2022-11-20 12:42:51,481 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2022-11-20 12:42:51,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:42:51,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 12:42:51,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 153 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:52,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:42:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 153 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:52,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023391661] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:42:52,508 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:42:52,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 34 [2022-11-20 12:42:52,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034310578] [2022-11-20 12:42:52,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:42:52,509 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:42:52,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:52,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 23 times [2022-11-20 12:42:52,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:52,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049851842] [2022-11-20 12:42:52,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:52,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:52,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:52,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:52,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-20 12:42:52,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 12:42:52,573 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. cyclomatic complexity: 33 Second operand has 35 states, 34 states have (on average 3.764705882352941) internal successors, (128), 35 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:53,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:53,059 INFO L93 Difference]: Finished difference Result 147 states and 179 transitions. [2022-11-20 12:42:53,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 179 transitions. [2022-11-20 12:42:53,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:42:53,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 100 states and 123 transitions. [2022-11-20 12:42:53,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:42:53,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:42:53,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 123 transitions. [2022-11-20 12:42:53,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:42:53,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 123 transitions. [2022-11-20 12:42:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 123 transitions. [2022-11-20 12:42:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2022-11-20 12:42:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.2268041237113403) internal successors, (119), 96 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2022-11-20 12:42:53,066 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 119 transitions. [2022-11-20 12:42:53,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 12:42:53,067 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 119 transitions. [2022-11-20 12:42:53,067 INFO L335 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2022-11-20 12:42:53,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 119 transitions. [2022-11-20 12:42:53,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:42:53,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:42:53,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:42:53,070 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:53,070 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:42:53,070 INFO L748 eck$LassoCheckResult]: Stem: 17401#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 17402#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 17408#L551 assume !(main_~length~0#1 < 1); 17413#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 17411#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 17412#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17403#L556 assume !(main_~val~0#1 < 0); 17404#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17405#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17418#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17419#L556 assume !(main_~val~0#1 < 0); 17497#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17496#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17495#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17494#L556 assume !(main_~val~0#1 < 0); 17493#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17492#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17491#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17490#L556 assume !(main_~val~0#1 < 0); 17489#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17488#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17487#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17486#L556 assume !(main_~val~0#1 < 0); 17485#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17484#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17483#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17482#L556 assume !(main_~val~0#1 < 0); 17481#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17480#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17479#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17478#L556 assume !(main_~val~0#1 < 0); 17477#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17476#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17475#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17474#L556 assume !(main_~val~0#1 < 0); 17473#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17472#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17471#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17470#L556 assume !(main_~val~0#1 < 0); 17469#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17468#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17467#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17428#L556 assume !(main_~val~0#1 < 0); 17431#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17429#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 17427#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 17409#L554-4 main_~j~0#1 := 0; 17410#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17420#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17465#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17464#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17421#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17417#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17422#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17406#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17407#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17462#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17461#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17460#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17459#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17457#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17456#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17455#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17454#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17452#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17451#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17450#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17449#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17447#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17446#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17445#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17444#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17442#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17441#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17440#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17439#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17437#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17436#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17435#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17434#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17433#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17426#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 17425#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 17423#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 17415#L562-3 [2022-11-20 12:42:53,070 INFO L750 eck$LassoCheckResult]: Loop: 17415#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 17414#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 17415#L562-3 [2022-11-20 12:42:53,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1373220406, now seen corresponding path program 24 times [2022-11-20 12:42:53,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:53,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133777101] [2022-11-20 12:42:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:53,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:53,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 24 times [2022-11-20 12:42:53,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:53,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561671896] [2022-11-20 12:42:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:53,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:53,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:42:53,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:53,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1109848753, now seen corresponding path program 14 times [2022-11-20 12:42:53,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:53,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279590629] [2022-11-20 12:42:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:53,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:42:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:42:53,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:11,023 WARN L233 SmtUtils]: Spent 17.66s on a formula simplification. DAG size of input: 371 DAG size of output: 287 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:43:14,477 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:43:14,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:43:14,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:43:14,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:43:14,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:43:14,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:14,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:43:14,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:43:14,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration27_Lasso [2022-11-20 12:43:14,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:43:14,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:43:14,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:14,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:20,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:21,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:43:21,525 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:43:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,527 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-11-20 12:43:21,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:21,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:21,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:21,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:21,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,584 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-11-20 12:43:21,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:21,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,611 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-11-20 12:43:21,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2022-11-20 12:43:21,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,642 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-11-20 12:43:21,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:21,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:21,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:21,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2022-11-20 12:43:21,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,664 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-11-20 12:43:21,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:21,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:21,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:21,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2022-11-20 12:43:21,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,687 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-11-20 12:43:21,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2022-11-20 12:43:21,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,715 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-11-20 12:43:21,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:21,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:21,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:21,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-11-20 12:43:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,737 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-11-20 12:43:21,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-11-20 12:43:21,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,771 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-11-20 12:43:21,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2022-11-20 12:43:21,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,804 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-11-20 12:43:21,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2022-11-20 12:43:21,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,837 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-11-20 12:43:21,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:21,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,872 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-11-20 12:43:21,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2022-11-20 12:43:21,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,905 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-11-20 12:43:21,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2022-11-20 12:43:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,938 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-11-20 12:43:21,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2022-11-20 12:43:21,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,965 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-11-20 12:43:21,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:21,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:21,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:21,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:21,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:21,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:21,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:21,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:21,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2022-11-20 12:43:21,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:21,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:21,996 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:21,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-11-20 12:43:21,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:22,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:22,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:22,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:22,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:22,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:22,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:22,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:22,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2022-11-20 12:43:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:22,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:22,030 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:22,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:22,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-11-20 12:43:22,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:22,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:22,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:22,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:22,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:22,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:22,065 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:43:22,078 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 12:43:22,079 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:43:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:22,090 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:22,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-11-20 12:43:22,095 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:43:22,110 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:43:22,110 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:43:22,110 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8 Supporting invariants [] [2022-11-20 12:43:22,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2022-11-20 12:43:22,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Ended with exit code 0 [2022-11-20 12:43:22,556 INFO L156 tatePredicateManager]: 40 out of 41 supporting invariants were superfluous and have been removed [2022-11-20 12:43:22,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:22,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 12:43:22,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:23,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:43:23,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:23,773 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-20 12:43:23,773 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:24,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-20 12:43:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:43:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-20 12:43:24,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-20 12:43:24,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:24,236 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:43:24,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:24,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 12:43:24,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:25,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:43:25,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:25,354 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-20 12:43:25,354 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:25,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-20 12:43:25,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:43:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-20 12:43:25,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-20 12:43:25,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:25,765 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:43:25,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:25,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 12:43:25,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:26,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:43:26,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:26,862 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-20 12:43:26,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:27,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 190 states and 247 transitions. Complement of second has 38 states. [2022-11-20 12:43:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 26 states 22 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:43:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 144 transitions. [2022-11-20 12:43:27,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-20 12:43:27,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:27,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 86 letters. Loop has 2 letters. [2022-11-20 12:43:27,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:27,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 4 letters. [2022-11-20 12:43:27,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:27,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 247 transitions. [2022-11-20 12:43:27,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:43:27,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 185 states and 240 transitions. [2022-11-20 12:43:27,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:43:27,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:43:27,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 240 transitions. [2022-11-20 12:43:27,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:43:27,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 240 transitions. [2022-11-20 12:43:27,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 240 transitions. [2022-11-20 12:43:27,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 108. [2022-11-20 12:43:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.2314814814814814) internal successors, (133), 107 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2022-11-20 12:43:27,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-20 12:43:27,846 INFO L428 stractBuchiCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-20 12:43:27,846 INFO L335 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-11-20 12:43:27,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 133 transitions. [2022-11-20 12:43:27,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:43:27,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:43:27,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:43:27,849 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:43:27,849 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:43:27,849 INFO L748 eck$LassoCheckResult]: Stem: 19042#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19043#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19049#L551 assume !(main_~length~0#1 < 1); 19058#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19052#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19053#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19044#L556 assume !(main_~val~0#1 < 0); 19045#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19046#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19061#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19062#L556 assume !(main_~val~0#1 < 0); 19098#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19059#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19060#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19097#L556 assume !(main_~val~0#1 < 0); 19096#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19095#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19094#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19093#L556 assume !(main_~val~0#1 < 0); 19092#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19091#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19090#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19089#L556 assume !(main_~val~0#1 < 0); 19088#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19087#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19086#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19085#L556 assume !(main_~val~0#1 < 0); 19084#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19083#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19082#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19081#L556 assume !(main_~val~0#1 < 0); 19080#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19079#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19078#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19077#L556 assume !(main_~val~0#1 < 0); 19076#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19075#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19074#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19073#L556 assume !(main_~val~0#1 < 0); 19072#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19071#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19069#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19070#L556 assume !(main_~val~0#1 < 0); 19149#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19148#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19147#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 19146#L554-4 main_~j~0#1 := 0; 19145#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19143#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19142#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19141#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19063#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19057#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19064#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19047#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19048#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19139#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19138#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19137#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19136#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19134#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19133#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19132#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19131#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19129#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19128#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19127#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19126#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19124#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19123#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19122#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19121#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19119#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19118#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19117#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19116#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19114#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19113#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19112#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19111#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19109#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19108#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19107#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19106#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19105#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19102#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19101#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19099#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19055#L562-3 [2022-11-20 12:43:27,850 INFO L750 eck$LassoCheckResult]: Loop: 19055#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19054#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19055#L562-3 [2022-11-20 12:43:27,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:27,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1412762337, now seen corresponding path program 25 times [2022-11-20 12:43:27,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:27,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382909330] [2022-11-20 12:43:27,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:27,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 153 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:28,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382909330] [2022-11-20 12:43:28,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382909330] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:43:28,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181601357] [2022-11-20 12:43:28,549 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 12:43:28,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:43:28,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:28,550 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:43:28,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (257)] Waiting until timeout for monitored process [2022-11-20 12:43:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:28,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:43:28,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:29,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:43:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:29,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181601357] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:43:29,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:43:29,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 37 [2022-11-20 12:43:29,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773119360] [2022-11-20 12:43:29,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:43:29,860 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:43:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 25 times [2022-11-20 12:43:29,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:29,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120246872] [2022-11-20 12:43:29,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:29,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:29,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:29,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-20 12:43:29,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 12:43:29,934 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. cyclomatic complexity: 38 Second operand has 38 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 38 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:30,491 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2022-11-20 12:43:30,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 190 transitions. [2022-11-20 12:43:30,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:43:30,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 104 states and 128 transitions. [2022-11-20 12:43:30,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:43:30,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:43:30,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 128 transitions. [2022-11-20 12:43:30,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:43:30,494 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 128 transitions. [2022-11-20 12:43:30,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 128 transitions. [2022-11-20 12:43:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-20 12:43:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 100 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2022-11-20 12:43:30,498 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-20 12:43:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-20 12:43:30,498 INFO L428 stractBuchiCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-20 12:43:30,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-11-20 12:43:30,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 124 transitions. [2022-11-20 12:43:30,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:43:30,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:43:30,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:43:30,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:43:30,501 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:43:30,501 INFO L748 eck$LassoCheckResult]: Stem: 19893#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19900#L551 assume !(main_~length~0#1 < 1); 19905#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19903#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19904#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19895#L556 assume !(main_~val~0#1 < 0); 19896#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19897#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19910#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19911#L556 assume !(main_~val~0#1 < 0); 19993#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19992#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19991#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19990#L556 assume !(main_~val~0#1 < 0); 19989#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19988#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19987#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19986#L556 assume !(main_~val~0#1 < 0); 19985#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19984#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19983#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19982#L556 assume !(main_~val~0#1 < 0); 19981#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19980#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19979#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19978#L556 assume !(main_~val~0#1 < 0); 19977#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19976#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19975#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19974#L556 assume !(main_~val~0#1 < 0); 19973#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19972#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19971#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19970#L556 assume !(main_~val~0#1 < 0); 19969#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19968#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19967#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19966#L556 assume !(main_~val~0#1 < 0); 19965#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19964#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19963#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19962#L556 assume !(main_~val~0#1 < 0); 19961#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19960#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19959#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19920#L556 assume !(main_~val~0#1 < 0); 19923#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19921#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19919#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 19901#L554-4 main_~j~0#1 := 0; 19902#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19912#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19914#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19898#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19899#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19909#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19958#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19957#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19956#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19954#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19953#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19952#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19951#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19949#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19948#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19947#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19946#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19944#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19943#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19942#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19941#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19939#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19938#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19937#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19936#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19934#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19933#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19932#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19931#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19929#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19928#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19927#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19926#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19925#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19918#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19917#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19915#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19907#L562-3 [2022-11-20 12:43:30,502 INFO L750 eck$LassoCheckResult]: Loop: 19907#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19906#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19907#L562-3 [2022-11-20 12:43:30,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:30,502 INFO L85 PathProgramCache]: Analyzing trace with hash 221080131, now seen corresponding path program 26 times [2022-11-20 12:43:30,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:30,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620296979] [2022-11-20 12:43:30,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:30,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:30,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:30,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:30,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 26 times [2022-11-20 12:43:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:30,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125872610] [2022-11-20 12:43:30,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:30,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:30,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:30,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2004609928, now seen corresponding path program 15 times [2022-11-20 12:43:30,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:30,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703625820] [2022-11-20 12:43:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:30,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:30,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:45,951 WARN L233 SmtUtils]: Spent 15.19s on a formula simplification. DAG size of input: 390 DAG size of output: 301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:43:47,866 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:43:47,867 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:43:47,867 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:43:47,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:43:47,867 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:43:47,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:47,867 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:43:47,867 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:43:47,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration29_Lasso [2022-11-20 12:43:47,867 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:43:47,867 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:43:47,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:47,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:51,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:51,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:43:51,831 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:43:51,832 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:43:51,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,833 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-11-20 12:43:51,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:51,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:51,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:51,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:51,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:51,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:51,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:51,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:51,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2022-11-20 12:43:51,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,868 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-11-20 12:43:51,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:51,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:51,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:51,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:51,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:51,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:51,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:51,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:51,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:51,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:51,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,891 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-11-20 12:43:51,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:51,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:51,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:51,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:51,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:51,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:51,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:51,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:51,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:51,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:51,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,914 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-11-20 12:43:51,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:51,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:51,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:51,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:51,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:51,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:51,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:51,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:51,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2022-11-20 12:43:51,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,940 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-11-20 12:43:51,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:51,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:51,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:51,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:51,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:51,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:51,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:51,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:51,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:51,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-11-20 12:43:51,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,963 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-11-20 12:43:51,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:51,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:51,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:51,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:51,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:51,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:51,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:51,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:51,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:51,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2022-11-20 12:43:51,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:51,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:51,985 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:51,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-11-20 12:43:51,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:52,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:52,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:52,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2022-11-20 12:43:52,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,032 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-11-20 12:43:52,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:52,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:52,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:52,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:52,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-11-20 12:43:52,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,061 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-11-20 12:43:52,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:43:52,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:43:52,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:43:52,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:52,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2022-11-20 12:43:52,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,085 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-11-20 12:43:52,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:52,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:52,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:52,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2022-11-20 12:43:52,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,114 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-11-20 12:43:52,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:52,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:52,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:52,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2022-11-20 12:43:52,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,142 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-11-20 12:43:52,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:52,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:52,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:43:52,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:52,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,168 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-11-20 12:43:52,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:43:52,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:43:52,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:43:52,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:43:52,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:43:52,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:43:52,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:43:52,198 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:43:52,217 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-20 12:43:52,217 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:43:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:43:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:52,221 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:52,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2022-11-20 12:43:52,222 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:43:52,236 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:43:52,236 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:43:52,236 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1 Supporting invariants [] [2022-11-20 12:43:52,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:52,404 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-20 12:43:52,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:52,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 12:43:52,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:52,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:43:52,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:52,890 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-20 12:43:52,890 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:52,927 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-20 12:43:52,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:43:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:43:52,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-20 12:43:52,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:52,929 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:43:52,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:53,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 12:43:53,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:53,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:43:53,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:53,485 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-20 12:43:53,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:53,521 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-20 12:43:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:43:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:43:53,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-20 12:43:53,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:53,523 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:43:53,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:53,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 12:43:53,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:54,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:54,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:43:54,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:54,052 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-20 12:43:54,053 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:54,414 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 124 states and 159 transitions. Complement of second has 26 states. [2022-11-20 12:43:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:43:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 81 transitions. [2022-11-20 12:43:54,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-20 12:43:54,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:54,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 90 letters. Loop has 2 letters. [2022-11-20 12:43:54,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:54,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 4 letters. [2022-11-20 12:43:54,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:43:54,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 159 transitions. [2022-11-20 12:43:54,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:43:54,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 119 states and 152 transitions. [2022-11-20 12:43:54,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:43:54,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:43:54,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 152 transitions. [2022-11-20 12:43:54,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:43:54,420 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 152 transitions. [2022-11-20 12:43:54,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 152 transitions. [2022-11-20 12:43:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 106. [2022-11-20 12:43:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 105 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 130 transitions. [2022-11-20 12:43:54,424 INFO L240 hiAutomatonCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-20 12:43:54,424 INFO L428 stractBuchiCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-20 12:43:54,424 INFO L335 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-11-20 12:43:54,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states and 130 transitions. [2022-11-20 12:43:54,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:43:54,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:43:54,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:43:54,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:43:54,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:43:54,427 INFO L748 eck$LassoCheckResult]: Stem: 21363#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 21364#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 21370#L551 assume !(main_~length~0#1 < 1); 21379#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 21373#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 21374#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21382#L556 assume !(main_~val~0#1 < 0); 21423#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21380#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21381#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21365#L556 assume !(main_~val~0#1 < 0); 21366#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21367#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21422#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21421#L556 assume !(main_~val~0#1 < 0); 21420#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21419#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21418#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21417#L556 assume !(main_~val~0#1 < 0); 21416#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21415#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21414#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21413#L556 assume !(main_~val~0#1 < 0); 21412#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21411#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21410#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21409#L556 assume !(main_~val~0#1 < 0); 21408#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21407#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21406#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21405#L556 assume !(main_~val~0#1 < 0); 21404#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21403#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21402#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21401#L556 assume !(main_~val~0#1 < 0); 21400#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21399#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21398#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21397#L556 assume !(main_~val~0#1 < 0); 21396#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21395#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21394#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21393#L556 assume !(main_~val~0#1 < 0); 21392#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21391#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21390#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21387#L556 assume !(main_~val~0#1 < 0); 21389#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21388#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21386#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 21371#L554-4 main_~j~0#1 := 0; 21372#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21383#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21467#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21466#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21384#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21378#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21385#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21368#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21369#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21464#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21463#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21462#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21461#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21459#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21458#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21457#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21456#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21454#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21453#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21452#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21451#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21449#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21448#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21447#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21446#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21444#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21443#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21442#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21441#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21439#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21438#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21437#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21436#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21434#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21433#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21432#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21431#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21430#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21427#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21426#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21424#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21376#L562-3 [2022-11-20 12:43:54,428 INFO L750 eck$LassoCheckResult]: Loop: 21376#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21375#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 21376#L562-3 [2022-11-20 12:43:54,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:54,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2010175208, now seen corresponding path program 27 times [2022-11-20 12:43:54,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:54,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401020790] [2022-11-20 12:43:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:54,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:54,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:54,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:54,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:54,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 27 times [2022-11-20 12:43:54,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:54,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540932832] [2022-11-20 12:43:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:54,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:54,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:54,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:43:54,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:54,542 INFO L85 PathProgramCache]: Analyzing trace with hash 956909853, now seen corresponding path program 16 times [2022-11-20 12:43:54,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:54,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638211685] [2022-11-20 12:43:54,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:54,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:54,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:43:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:43:54,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:44:15,528 WARN L233 SmtUtils]: Spent 20.82s on a formula simplification. DAG size of input: 404 DAG size of output: 311 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:44:16,704 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:44:16,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:44:16,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:44:16,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:44:16,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:44:16,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:16,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:44:16,705 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:44:16,705 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration30_Lasso [2022-11-20 12:44:16,705 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:44:16,705 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:44:16,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:16,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:19,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:19,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:19,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:19,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:19,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:19,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:20,047 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:44:20,048 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:44:20,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,051 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2022-11-20 12:44:20,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:44:20,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:44:20,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:44:20,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Forceful destruction successful, exit code 0 [2022-11-20 12:44:20,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,092 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2022-11-20 12:44:20,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Ended with exit code 0 [2022-11-20 12:44:20,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,119 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2022-11-20 12:44:20,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:44:20,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:44:20,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:44:20,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2022-11-20 12:44:20,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,143 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2022-11-20 12:44:20,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2022-11-20 12:44:20,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,169 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2022-11-20 12:44:20,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:44:20,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:44:20,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:44:20,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2022-11-20 12:44:20,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,192 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2022-11-20 12:44:20,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:44:20,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:44:20,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:44:20,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Ended with exit code 0 [2022-11-20 12:44:20,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,239 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2022-11-20 12:44:20,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2022-11-20 12:44:20,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,267 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2022-11-20 12:44:20,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2022-11-20 12:44:20,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,299 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2022-11-20 12:44:20,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Ended with exit code 0 [2022-11-20 12:44:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,326 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2022-11-20 12:44:20,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2022-11-20 12:44:20,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,354 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2022-11-20 12:44:20,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:44:20,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Ended with exit code 0 [2022-11-20 12:44:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,391 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2022-11-20 12:44:20,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:44:20,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:44:20,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:44:20,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:44:20,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:44:20,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:44:20,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:44:20,423 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:44:20,439 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 12:44:20,439 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:44:20,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:20,440 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:20,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2022-11-20 12:44:20,443 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:44:20,457 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:44:20,457 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:44:20,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10 Supporting invariants [] [2022-11-20 12:44:20,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2022-11-20 12:44:20,625 INFO L156 tatePredicateManager]: 30 out of 31 supporting invariants were superfluous and have been removed [2022-11-20 12:44:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:20,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 12:44:20,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:21,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:44:21,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:21,710 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-20 12:44:21,710 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:22,269 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-20 12:44:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:44:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-20 12:44:22,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-20 12:44:22,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:44:22,270 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:44:22,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:22,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 12:44:22,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:22,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Forceful destruction successful, exit code 0 [2022-11-20 12:44:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:23,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:44:23,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:23,482 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-20 12:44:23,483 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:24,047 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-20 12:44:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:44:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-20 12:44:24,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-20 12:44:24,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:44:24,052 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:44:24,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:24,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 12:44:24,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:25,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:44:25,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:25,268 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-20 12:44:25,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:26,516 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 206 states and 268 transitions. Complement of second has 41 states. [2022-11-20 12:44:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 28 states 24 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:44:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 155 transitions. [2022-11-20 12:44:26,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-20 12:44:26,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:44:26,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 94 letters. Loop has 2 letters. [2022-11-20 12:44:26,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:44:26,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 4 letters. [2022-11-20 12:44:26,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:44:26,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 268 transitions. [2022-11-20 12:44:26,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:44:26,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 201 states and 261 transitions. [2022-11-20 12:44:26,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:44:26,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:44:26,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 261 transitions. [2022-11-20 12:44:26,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:44:26,524 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 261 transitions. [2022-11-20 12:44:26,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 261 transitions. [2022-11-20 12:44:26,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 117. [2022-11-20 12:44:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2307692307692308) internal successors, (144), 116 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2022-11-20 12:44:26,528 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-20 12:44:26,529 INFO L428 stractBuchiCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-20 12:44:26,529 INFO L335 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-11-20 12:44:26,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 144 transitions. [2022-11-20 12:44:26,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:44:26,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:44:26,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:44:26,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:26,531 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:44:26,532 INFO L748 eck$LassoCheckResult]: Stem: 23094#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 23095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 23101#L551 assume !(main_~length~0#1 < 1); 23110#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 23104#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 23105#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23096#L556 assume !(main_~val~0#1 < 0); 23097#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23098#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23113#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23114#L556 assume !(main_~val~0#1 < 0); 23154#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23111#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23112#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23153#L556 assume !(main_~val~0#1 < 0); 23152#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23151#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23150#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23149#L556 assume !(main_~val~0#1 < 0); 23148#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23147#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23146#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23145#L556 assume !(main_~val~0#1 < 0); 23144#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23143#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23142#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23141#L556 assume !(main_~val~0#1 < 0); 23140#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23139#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23138#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23137#L556 assume !(main_~val~0#1 < 0); 23136#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23135#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23134#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23133#L556 assume !(main_~val~0#1 < 0); 23132#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23131#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23130#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23129#L556 assume !(main_~val~0#1 < 0); 23128#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23127#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23126#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23125#L556 assume !(main_~val~0#1 < 0); 23124#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23123#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23121#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23122#L556 assume !(main_~val~0#1 < 0); 23210#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23209#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23208#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 23207#L554-4 main_~j~0#1 := 0; 23206#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23204#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23203#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23202#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23115#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23109#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23116#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23099#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23100#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23200#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23199#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23198#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23197#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23195#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23194#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23193#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23192#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23190#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23189#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23188#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23187#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23185#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23184#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23183#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23182#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23180#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23179#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23178#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23177#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23175#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23174#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23173#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23172#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23170#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23169#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23168#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23167#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23165#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23164#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23163#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23162#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23161#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23158#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23157#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23155#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23107#L562-3 [2022-11-20 12:44:26,532 INFO L750 eck$LassoCheckResult]: Loop: 23107#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23106#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 23107#L562-3 [2022-11-20 12:44:26,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 467367277, now seen corresponding path program 28 times [2022-11-20 12:44:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:26,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16858920] [2022-11-20 12:44:26,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 190 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:27,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:27,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16858920] [2022-11-20 12:44:27,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16858920] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:44:27,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171794400] [2022-11-20 12:44:27,258 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:44:27,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:44:27,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:27,259 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:44:27,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (285)] Waiting until timeout for monitored process [2022-11-20 12:44:27,485 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:44:27,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:44:27,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:44:27,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:28,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:44:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:28,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171794400] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:44:28,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:44:28,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 40 [2022-11-20 12:44:28,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020132790] [2022-11-20 12:44:28,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:44:28,694 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:44:28,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:28,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 28 times [2022-11-20 12:44:28,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:28,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802570139] [2022-11-20 12:44:28,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:28,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:28,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:44:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:28,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:44:28,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:28,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-20 12:44:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1258, Unknown=0, NotChecked=0, Total=1640 [2022-11-20 12:44:28,762 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. cyclomatic complexity: 41 Second operand has 41 states, 40 states have (on average 3.8) internal successors, (152), 41 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:29,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:29,420 INFO L93 Difference]: Finished difference Result 170 states and 207 transitions. [2022-11-20 12:44:29,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 207 transitions. [2022-11-20 12:44:29,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:44:29,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 113 states and 139 transitions. [2022-11-20 12:44:29,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:44:29,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:44:29,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 139 transitions. [2022-11-20 12:44:29,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:44:29,423 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 139 transitions. [2022-11-20 12:44:29,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 139 transitions. [2022-11-20 12:44:29,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2022-11-20 12:44:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.2272727272727273) internal successors, (135), 109 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2022-11-20 12:44:29,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-20 12:44:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 12:44:29,426 INFO L428 stractBuchiCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-20 12:44:29,426 INFO L335 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-11-20 12:44:29,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 135 transitions. [2022-11-20 12:44:29,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:44:29,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:44:29,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:44:29,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:29,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:44:29,428 INFO L748 eck$LassoCheckResult]: Stem: 24021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 24022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 24028#L551 assume !(main_~length~0#1 < 1); 24033#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 24031#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 24032#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24023#L556 assume !(main_~val~0#1 < 0); 24024#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24025#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24038#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24039#L556 assume !(main_~val~0#1 < 0); 24130#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24129#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24128#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24127#L556 assume !(main_~val~0#1 < 0); 24126#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24125#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24124#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24123#L556 assume !(main_~val~0#1 < 0); 24122#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24121#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24120#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24119#L556 assume !(main_~val~0#1 < 0); 24118#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24117#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24116#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24115#L556 assume !(main_~val~0#1 < 0); 24114#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24113#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24112#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24111#L556 assume !(main_~val~0#1 < 0); 24110#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24109#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24108#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24107#L556 assume !(main_~val~0#1 < 0); 24106#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24105#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24104#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24103#L556 assume !(main_~val~0#1 < 0); 24102#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24101#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24100#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24099#L556 assume !(main_~val~0#1 < 0); 24098#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24097#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24096#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24095#L556 assume !(main_~val~0#1 < 0); 24094#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24093#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24092#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24048#L556 assume !(main_~val~0#1 < 0); 24051#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24049#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24047#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 24029#L554-4 main_~j~0#1 := 0; 24030#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24040#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24042#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24026#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24027#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24037#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24091#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24090#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24089#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24087#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24086#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24085#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24084#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24082#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24081#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24080#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24079#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24077#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24076#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24075#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24074#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24072#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24071#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24070#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24069#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24067#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24066#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24065#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24064#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24062#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24061#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24060#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24059#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24057#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24056#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24055#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24054#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24053#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24046#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24045#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24043#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24035#L562-3 [2022-11-20 12:44:29,428 INFO L750 eck$LassoCheckResult]: Loop: 24035#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24034#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 24035#L562-3 [2022-11-20 12:44:29,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1861662865, now seen corresponding path program 29 times [2022-11-20 12:44:29,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:29,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235710145] [2022-11-20 12:44:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:29,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:29,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:44:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:29,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:44:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 29 times [2022-11-20 12:44:29,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:29,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099481321] [2022-11-20 12:44:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:29,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:44:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:29,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:44:29,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1943347626, now seen corresponding path program 17 times [2022-11-20 12:44:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:29,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059416891] [2022-11-20 12:44:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:29,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:29,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:44:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:44:29,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:44:51,647 WARN L233 SmtUtils]: Spent 21.94s on a formula simplification. DAG size of input: 423 DAG size of output: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:44:54,149 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:44:54,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:44:54,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:44:54,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:44:54,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:44:54,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:44:54,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:44:54,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:44:54,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration32_Lasso [2022-11-20 12:44:54,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:44:54,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:44:54,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:44:54,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:01,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:02,466 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:45:02,466 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:45:02,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,468 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2022-11-20 12:45:02,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:02,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:02,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,504 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2022-11-20 12:45:02,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2022-11-20 12:45:02,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,531 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2022-11-20 12:45:02,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,582 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2022-11-20 12:45:02,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,628 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2022-11-20 12:45:02,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,676 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2022-11-20 12:45:02,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,724 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2022-11-20 12:45:02,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,780 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2022-11-20 12:45:02,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:02,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:02,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:02,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,832 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2022-11-20 12:45:02,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:02,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:02,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,880 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2022-11-20 12:45:02,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:02,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:02,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,932 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2022-11-20 12:45:02,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:02,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:02,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:02,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:02,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:02,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:02,975 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2022-11-20 12:45:02,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:02,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:02,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:02,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:02,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:02,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:02,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:02,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:03,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:03,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:03,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:03,003 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2022-11-20 12:45:03,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:03,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:03,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:03,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:03,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:03,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:03,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:03,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:03,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2022-11-20 12:45:03,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:03,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:03,030 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:03,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2022-11-20 12:45:03,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:03,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:03,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:03,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:03,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:03,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:03,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:03,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:45:03,103 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 12:45:03,103 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 12:45:03,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:03,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:03,107 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:03,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2022-11-20 12:45:03,109 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:45:03,124 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:45:03,124 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:45:03,124 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8 Supporting invariants [] [2022-11-20 12:45:03,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2022-11-20 12:45:03,410 INFO L156 tatePredicateManager]: 44 out of 45 supporting invariants were superfluous and have been removed [2022-11-20 12:45:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:03,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-20 12:45:03,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:04,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:45:04,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:45:04,735 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-20 12:45:04,735 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:05,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:05,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-20 12:45:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:45:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-20 12:45:05,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-20 12:45:05,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:05,510 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:45:05,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:05,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-20 12:45:05,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:06,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:45:06,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:45:06,782 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-20 12:45:06,782 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:07,476 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-20 12:45:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:45:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-20 12:45:07,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-20 12:45:07,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:07,478 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:45:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:07,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-20 12:45:07,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:08,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:45:08,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:45:08,801 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-20 12:45:08,801 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:10,046 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 210 states and 273 transitions. Complement of second has 42 states. [2022-11-20 12:45:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 29 states 25 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:45:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 160 transitions. [2022-11-20 12:45:10,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-20 12:45:10,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:10,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 98 letters. Loop has 2 letters. [2022-11-20 12:45:10,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:10,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 4 letters. [2022-11-20 12:45:10,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:10,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 273 transitions. [2022-11-20 12:45:10,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:45:10,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 205 states and 266 transitions. [2022-11-20 12:45:10,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:45:10,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:45:10,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 266 transitions. [2022-11-20 12:45:10,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:45:10,053 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 266 transitions. [2022-11-20 12:45:10,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 266 transitions. [2022-11-20 12:45:10,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 121. [2022-11-20 12:45:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.2314049586776858) internal successors, (149), 120 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2022-11-20 12:45:10,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-20 12:45:10,057 INFO L428 stractBuchiCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-20 12:45:10,057 INFO L335 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-11-20 12:45:10,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 149 transitions. [2022-11-20 12:45:10,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:45:10,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:45:10,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:45:10,059 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:45:10,059 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:45:10,059 INFO L748 eck$LassoCheckResult]: Stem: 25869#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 25870#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 25878#L551 assume !(main_~length~0#1 < 1); 25885#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 25879#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 25880#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25871#L556 assume !(main_~val~0#1 < 0); 25872#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25873#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25888#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25889#L556 assume !(main_~val~0#1 < 0); 25933#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25886#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25887#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25932#L556 assume !(main_~val~0#1 < 0); 25931#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25930#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25929#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25928#L556 assume !(main_~val~0#1 < 0); 25927#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25926#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25925#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25924#L556 assume !(main_~val~0#1 < 0); 25923#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25922#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25921#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25920#L556 assume !(main_~val~0#1 < 0); 25919#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25918#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25917#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25916#L556 assume !(main_~val~0#1 < 0); 25915#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25914#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25913#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25912#L556 assume !(main_~val~0#1 < 0); 25911#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25910#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25909#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25908#L556 assume !(main_~val~0#1 < 0); 25907#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25906#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25905#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25904#L556 assume !(main_~val~0#1 < 0); 25903#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25902#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25901#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25900#L556 assume !(main_~val~0#1 < 0); 25899#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25898#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25896#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25897#L556 assume !(main_~val~0#1 < 0); 25989#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25988#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25987#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 25986#L554-4 main_~j~0#1 := 0; 25985#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25983#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25982#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25981#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25890#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25884#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25891#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25874#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25875#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25979#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25978#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25977#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25976#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25974#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25973#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25972#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25971#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25969#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25968#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25967#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25966#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25964#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25963#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25962#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25961#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25959#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25958#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25957#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25956#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25954#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25953#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25952#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25951#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25949#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25948#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25947#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25946#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25944#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25943#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25942#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25941#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25940#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25937#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25936#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25934#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25882#L562-3 [2022-11-20 12:45:10,060 INFO L750 eck$LassoCheckResult]: Loop: 25882#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25881#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 25882#L562-3 [2022-11-20 12:45:10,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash 753705062, now seen corresponding path program 30 times [2022-11-20 12:45:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:45:10,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376655091] [2022-11-20 12:45:10,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:45:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:45:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:10,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:45:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:10,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:45:10,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:10,178 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 30 times [2022-11-20 12:45:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:45:10,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2377236] [2022-11-20 12:45:10,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:45:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:45:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:10,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:45:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:10,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:45:10,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1538906901, now seen corresponding path program 18 times [2022-11-20 12:45:10,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:45:10,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977726556] [2022-11-20 12:45:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:45:10,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:45:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:10,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:45:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:10,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:45:34,530 WARN L233 SmtUtils]: Spent 24.13s on a formula simplification. DAG size of input: 437 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:45:36,531 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:45:36,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:45:36,531 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:45:36,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:45:36,531 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:45:36,532 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:36,532 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:45:36,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:45:36,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration33_Lasso [2022-11-20 12:45:36,532 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:45:36,532 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:45:36,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:36,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:36,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:36,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:39,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:45:40,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:45:40,291 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:45:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,292 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2022-11-20 12:45:40,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,320 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2022-11-20 12:45:40,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:40,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:40,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:40,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2022-11-20 12:45:40,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,343 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2022-11-20 12:45:40,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:45:40,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:45:40,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:45:40,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2022-11-20 12:45:40,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,366 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2022-11-20 12:45:40,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Ended with exit code 0 [2022-11-20 12:45:40,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,395 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2022-11-20 12:45:40,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:40,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,426 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2022-11-20 12:45:40,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Ended with exit code 0 [2022-11-20 12:45:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,467 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2022-11-20 12:45:40,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2022-11-20 12:45:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,496 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2022-11-20 12:45:40,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2022-11-20 12:45:40,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,524 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2022-11-20 12:45:40,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2022-11-20 12:45:40,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,552 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2022-11-20 12:45:40,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Ended with exit code 0 [2022-11-20 12:45:40,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,582 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2022-11-20 12:45:40,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:40,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,618 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2022-11-20 12:45:40,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2022-11-20 12:45:40,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,641 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2022-11-20 12:45:40,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:45:40,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Ended with exit code 0 [2022-11-20 12:45:40,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,664 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2022-11-20 12:45:40,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:45:40,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:45:40,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:45:40,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:45:40,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:45:40,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:45:40,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:45:40,689 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:45:40,700 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:45:40,700 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:45:40,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:45:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:45:40,702 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:45:40,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2022-11-20 12:45:40,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:45:40,719 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:45:40,719 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:45:40,719 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-20 12:45:40,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Ended with exit code 0 [2022-11-20 12:45:40,802 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-20 12:45:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:40,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:45:40,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:41,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:45:41,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:45:41,497 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-20 12:45:41,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:41,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-20 12:45:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:45:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:45:41,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 12:45:41,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:41,548 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:45:41,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:41,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:45:41,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:41,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Forceful destruction successful, exit code 0 [2022-11-20 12:45:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:42,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:45:42,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:45:42,272 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-20 12:45:42,272 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:42,318 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-20 12:45:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:45:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:45:42,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 12:45:42,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:42,320 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:45:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:42,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:45:42,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:45:42,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:45:42,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:45:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:45:42,954 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-20 12:45:42,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:43,459 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 213 states and 277 transitions. Complement of second has 30 states. [2022-11-20 12:45:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 13 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:45:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 93 transitions. [2022-11-20 12:45:43,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 12:45:43,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:43,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-20 12:45:43,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:43,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-20 12:45:43,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:45:43,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 277 transitions. [2022-11-20 12:45:43,464 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:45:43,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 208 states and 270 transitions. [2022-11-20 12:45:43,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:45:43,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:45:43,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 270 transitions. [2022-11-20 12:45:43,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:45:43,467 INFO L218 hiAutomatonCegarLoop]: Abstraction has 208 states and 270 transitions. [2022-11-20 12:45:43,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 270 transitions. [2022-11-20 12:45:43,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 178. [2022-11-20 12:45:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.2303370786516854) internal successors, (219), 177 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:45:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 219 transitions. [2022-11-20 12:45:43,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-20 12:45:43,474 INFO L428 stractBuchiCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-20 12:45:43,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2022-11-20 12:45:43,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 219 transitions. [2022-11-20 12:45:43,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:45:43,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:45:43,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:45:43,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:45:43,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:45:43,477 INFO L748 eck$LassoCheckResult]: Stem: 27542#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 27543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 27549#L551 assume !(main_~length~0#1 < 1); 27554#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 27552#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 27553#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27544#L556 assume !(main_~val~0#1 < 0); 27545#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27546#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27561#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27562#L556 assume !(main_~val~0#1 < 0); 27607#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27559#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27560#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27606#L556 assume !(main_~val~0#1 < 0); 27605#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27604#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27603#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27602#L556 assume !(main_~val~0#1 < 0); 27601#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27600#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27599#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27598#L556 assume !(main_~val~0#1 < 0); 27597#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27596#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27595#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27594#L556 assume !(main_~val~0#1 < 0); 27593#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27592#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27591#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27590#L556 assume !(main_~val~0#1 < 0); 27589#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27588#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27587#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27586#L556 assume !(main_~val~0#1 < 0); 27585#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27584#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27583#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27582#L556 assume !(main_~val~0#1 < 0); 27581#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27580#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27579#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27578#L556 assume !(main_~val~0#1 < 0); 27577#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27576#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27575#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27574#L556 assume !(main_~val~0#1 < 0); 27573#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27572#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27571#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27570#L556 assume !(main_~val~0#1 < 0); 27569#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27568#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27566#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27567#L556 assume !(main_~val~0#1 < 0); 27674#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27673#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27672#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 27671#L554-4 main_~j~0#1 := 0; 27670#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27668#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27667#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27666#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27665#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27663#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27662#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27661#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27660#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27658#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27657#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27656#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27655#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27653#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27652#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27651#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27650#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27648#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27647#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27646#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27645#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27643#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27642#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27641#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27640#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27638#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27637#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27636#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27635#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27632#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27631#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27630#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27629#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27627#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27625#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27623#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27622#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27620#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27619#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27618#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27608#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27556#L562-3 [2022-11-20 12:45:43,477 INFO L750 eck$LassoCheckResult]: Loop: 27556#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27555#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 27556#L562-3 [2022-11-20 12:45:43,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:43,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2146966646, now seen corresponding path program 31 times [2022-11-20 12:45:43,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:45:43,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347232914] [2022-11-20 12:45:43,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:45:43,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:45:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:43,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:45:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:43,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:45:43,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:43,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 31 times [2022-11-20 12:45:43,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:45:43,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849317586] [2022-11-20 12:45:43,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:45:43,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:45:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:43,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:45:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:43,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:45:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:45:43,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1650643185, now seen corresponding path program 19 times [2022-11-20 12:45:43,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:45:43,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784532417] [2022-11-20 12:45:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:45:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:45:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:43,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:45:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:45:43,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:32,260 WARN L233 SmtUtils]: Spent 48.48s on a formula simplification. DAG size of input: 442 DAG size of output: 338 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:46:33,628 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:46:33,629 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:46:33,629 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:46:33,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:46:33,629 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:46:33,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:33,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:46:33,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:46:33,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration34_Lasso [2022-11-20 12:46:33,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:46:33,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:46:33,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:33,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:37,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:37,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:46:38,723 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:46:38,723 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:46:38,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,725 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2022-11-20 12:46:38,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:38,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:38,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Forceful destruction successful, exit code 0 [2022-11-20 12:46:38,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,751 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2022-11-20 12:46:38,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:46:38,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:46:38,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:46:38,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2022-11-20 12:46:38,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,773 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2022-11-20 12:46:38,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:46:38,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:46:38,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:46:38,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Ended with exit code 0 [2022-11-20 12:46:38,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,795 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2022-11-20 12:46:38,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:38,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:38,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2022-11-20 12:46:38,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,821 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2022-11-20 12:46:38,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:46:38,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:46:38,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:46:38,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2022-11-20 12:46:38,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,843 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2022-11-20 12:46:38,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:38,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:38,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2022-11-20 12:46:38,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,867 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2022-11-20 12:46:38,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:38,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:38,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2022-11-20 12:46:38,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,919 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2022-11-20 12:46:38,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:46:38,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:46:38,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:46:38,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Forceful destruction successful, exit code 0 [2022-11-20 12:46:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,941 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2022-11-20 12:46:38,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:46:38,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:46:38,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:46:38,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2022-11-20 12:46:38,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,963 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2022-11-20 12:46:38,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:38,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:38,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:38,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:38,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:38,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:38,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:38,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:38,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Ended with exit code 0 [2022-11-20 12:46:38,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:38,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:38,989 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:38,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2022-11-20 12:46:38,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:46:39,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:46:39,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:46:39,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2022-11-20 12:46:39,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,010 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2022-11-20 12:46:39,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2022-11-20 12:46:39,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,039 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2022-11-20 12:46:39,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2022-11-20 12:46:39,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,071 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2022-11-20 12:46:39,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2022-11-20 12:46:39,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,103 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2022-11-20 12:46:39,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2022-11-20 12:46:39,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,146 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2022-11-20 12:46:39,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2022-11-20 12:46:39,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,172 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2022-11-20 12:46:39,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2022-11-20 12:46:39,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,204 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2022-11-20 12:46:39,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:46:39,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2022-11-20 12:46:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,236 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2022-11-20 12:46:39,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:46:39,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:46:39,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:46:39,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:46:39,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:46:39,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:46:39,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:46:39,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:46:39,274 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 12:46:39,275 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 12:46:39,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:46:39,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:39,276 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:39,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2022-11-20 12:46:39,278 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:46:39,291 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:46:39,291 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:46:39,291 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-20 12:46:39,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Ended with exit code 0 [2022-11-20 12:46:39,607 INFO L156 tatePredicateManager]: 48 out of 49 supporting invariants were superfluous and have been removed [2022-11-20 12:46:39,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:39,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 12:46:39,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:40,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Forceful destruction successful, exit code 0 [2022-11-20 12:46:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:40,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:46:40,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:40,899 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-20 12:46:40,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:41,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-20 12:46:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:46:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:41,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-20 12:46:41,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 12:46:41,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:46:41,628 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:46:41,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:41,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 12:46:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:42,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:46:42,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:42,866 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-20 12:46:42,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:43,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-20 12:46:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:46:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-20 12:46:43,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 12:46:43,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:46:43,413 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:46:43,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:43,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 12:46:43,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:44,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:46:44,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:44,701 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-20 12:46:44,701 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:45,958 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 311 states and 408 transitions. Complement of second has 44 states. [2022-11-20 12:46:45,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 30 states 26 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:46:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 173 transitions. [2022-11-20 12:46:45,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 12:46:45,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:46:45,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-20 12:46:45,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:46:45,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-20 12:46:45,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:46:45,961 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 408 transitions. [2022-11-20 12:46:45,963 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 12:46:45,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 306 states and 401 transitions. [2022-11-20 12:46:45,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-20 12:46:45,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-20 12:46:45,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 401 transitions. [2022-11-20 12:46:45,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:46:45,966 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 401 transitions. [2022-11-20 12:46:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 401 transitions. [2022-11-20 12:46:45,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 182. [2022-11-20 12:46:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2362637362637363) internal successors, (225), 181 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2022-11-20 12:46:45,971 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-20 12:46:45,972 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-20 12:46:45,972 INFO L335 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2022-11-20 12:46:45,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 225 transitions. [2022-11-20 12:46:45,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:46:45,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:45,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:45,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:45,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:46:45,975 INFO L748 eck$LassoCheckResult]: Stem: 29759#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 29760#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 29766#L551 assume !(main_~length~0#1 < 1); 29775#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 29769#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 29770#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29761#L556 assume !(main_~val~0#1 < 0); 29762#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29763#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29778#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29779#L556 assume !(main_~val~0#1 < 0); 29826#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29776#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29777#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29825#L556 assume !(main_~val~0#1 < 0); 29824#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29823#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29822#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29821#L556 assume !(main_~val~0#1 < 0); 29820#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29819#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29818#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29817#L556 assume !(main_~val~0#1 < 0); 29816#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29815#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29814#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29813#L556 assume !(main_~val~0#1 < 0); 29812#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29811#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29810#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29809#L556 assume !(main_~val~0#1 < 0); 29808#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29807#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29806#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29805#L556 assume !(main_~val~0#1 < 0); 29804#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29803#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29802#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29801#L556 assume !(main_~val~0#1 < 0); 29800#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29799#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29798#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29797#L556 assume !(main_~val~0#1 < 0); 29796#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29795#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29794#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29793#L556 assume !(main_~val~0#1 < 0); 29792#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29791#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29789#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29790#L556 assume !(main_~val~0#1 < 0); 29786#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29787#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29782#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 29767#L554-4 main_~j~0#1 := 0; 29768#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29780#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29939#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29764#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29765#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29774#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29781#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29938#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29937#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29935#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29934#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29933#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29932#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29930#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29929#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29928#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29927#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29925#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29924#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29923#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29922#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29920#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29919#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29918#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29917#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29915#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29914#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29913#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29912#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29910#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29909#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29908#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29907#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29905#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29904#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29903#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29902#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29900#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29899#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29898#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29897#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29894#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29893#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29892#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29836#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29832#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29831#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29829#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29830#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29772#L562-3 [2022-11-20 12:46:45,975 INFO L750 eck$LassoCheckResult]: Loop: 29772#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29771#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 29772#L562-3 [2022-11-20 12:46:45,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1420782149, now seen corresponding path program 32 times [2022-11-20 12:46:45,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:45,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287272494] [2022-11-20 12:46:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 231 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:46,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:46:46,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287272494] [2022-11-20 12:46:46,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287272494] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:46:46,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867260010] [2022-11-20 12:46:46,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:46:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:46:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:46,810 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:46:46,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (336)] Waiting until timeout for monitored process [2022-11-20 12:46:47,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:46:47,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:46:47,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:46:47,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:47,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:46:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:46:48,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867260010] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:46:48,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:46:48,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 43 [2022-11-20 12:46:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823173133] [2022-11-20 12:46:48,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:46:48,397 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:46:48,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:48,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 32 times [2022-11-20 12:46:48,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:48,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570567914] [2022-11-20 12:46:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:48,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:48,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:48,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:46:48,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-20 12:46:48,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=1453, Unknown=0, NotChecked=0, Total=1892 [2022-11-20 12:46:48,468 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. cyclomatic complexity: 69 Second operand has 44 states, 43 states have (on average 3.813953488372093) internal successors, (164), 44 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:46:49,117 INFO L93 Difference]: Finished difference Result 244 states and 298 transitions. [2022-11-20 12:46:49,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 298 transitions. [2022-11-20 12:46:49,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:46:49,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 182 states and 224 transitions. [2022-11-20 12:46:49,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 12:46:49,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:46:49,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 224 transitions. [2022-11-20 12:46:49,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:46:49,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-20 12:46:49,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 224 transitions. [2022-11-20 12:46:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-20 12:46:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2307692307692308) internal successors, (224), 181 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:46:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2022-11-20 12:46:49,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-20 12:46:49,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-20 12:46:49,126 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-20 12:46:49,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2022-11-20 12:46:49,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 224 transitions. [2022-11-20 12:46:49,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:46:49,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:46:49,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:46:49,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:49,128 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:46:49,129 INFO L748 eck$LassoCheckResult]: Stem: 30878#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 30879#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 30886#L551 assume !(main_~length~0#1 < 1); 30895#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 30889#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 30890#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30880#L556 assume !(main_~val~0#1 < 0); 30881#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30952#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30897#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30898#L556 assume !(main_~val~0#1 < 0); 30882#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30883#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30896#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30951#L556 assume !(main_~val~0#1 < 0); 30950#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30949#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30948#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30947#L556 assume !(main_~val~0#1 < 0); 30946#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30945#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30944#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30943#L556 assume !(main_~val~0#1 < 0); 30942#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30941#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30940#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30939#L556 assume !(main_~val~0#1 < 0); 30938#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30937#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30936#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30935#L556 assume !(main_~val~0#1 < 0); 30934#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30933#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30932#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30931#L556 assume !(main_~val~0#1 < 0); 30930#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30929#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30928#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30927#L556 assume !(main_~val~0#1 < 0); 30926#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30925#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30924#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30923#L556 assume !(main_~val~0#1 < 0); 30922#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30921#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30920#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30919#L556 assume !(main_~val~0#1 < 0); 30918#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30917#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30916#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30915#L556 assume !(main_~val~0#1 < 0); 30914#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30913#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30912#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30911#L556 assume !(main_~val~0#1 < 0); 30910#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30909#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30905#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30906#L556 assume !(main_~val~0#1 < 0); 31012#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 31011#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 31010#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 31009#L554-4 main_~j~0#1 := 0; 31008#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 31006#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31005#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 31004#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 31003#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 31001#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31000#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30999#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30998#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30996#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30995#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30994#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30993#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30991#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30990#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30989#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30988#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30986#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30985#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30984#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30983#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30981#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30980#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30979#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30978#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30976#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30975#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30974#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30973#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30971#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30970#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30969#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30968#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30966#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30965#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30963#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30961#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30953#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30907#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30908#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30901#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30892#L562-3 [2022-11-20 12:46:49,129 INFO L750 eck$LassoCheckResult]: Loop: 30892#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30891#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 30892#L562-3 [2022-11-20 12:46:49,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,129 INFO L85 PathProgramCache]: Analyzing trace with hash -30873085, now seen corresponding path program 33 times [2022-11-20 12:46:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866702510] [2022-11-20 12:46:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:49,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 33 times [2022-11-20 12:46:49,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870415401] [2022-11-20 12:46:49,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:49,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash 395737928, now seen corresponding path program 20 times [2022-11-20 12:46:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:49,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965494108] [2022-11-20 12:46:49,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:49,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:49,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:47:34,049 WARN L233 SmtUtils]: Spent 44.61s on a formula simplification. DAG size of input: 461 DAG size of output: 353 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:47:36,100 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:47:36,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:47:36,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:47:36,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:47:36,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:47:36,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:36,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:47:36,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:47:36,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration36_Lasso [2022-11-20 12:47:36,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:47:36,101 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:47:36,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:36,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:36,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,255 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:39,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:47:40,039 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:47:40,039 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:47:40,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,049 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2022-11-20 12:47:40,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,087 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2022-11-20 12:47:40,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:40,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,127 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2022-11-20 12:47:40,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:40,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,179 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2022-11-20 12:47:40,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:40,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,229 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2022-11-20 12:47:40,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2022-11-20 12:47:40,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,253 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2022-11-20 12:47:40,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2022-11-20 12:47:40,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,280 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2022-11-20 12:47:40,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Ended with exit code 0 [2022-11-20 12:47:40,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,303 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2022-11-20 12:47:40,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2022-11-20 12:47:40,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,331 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2022-11-20 12:47:40,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:47:40,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2022-11-20 12:47:40,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,354 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2022-11-20 12:47:40,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:47:40,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:47:40,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:47:40,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:47:40,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:47:40,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:47:40,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:47:40,379 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:47:40,389 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 12:47:40,389 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 12:47:40,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:47:40,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:40,390 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:40,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:47:40,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2022-11-20 12:47:40,420 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:47:40,420 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:47:40,420 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-20 12:47:40,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:40,529 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-20 12:47:40,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:40,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:47:40,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:40,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:47:40,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:40,958 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-20 12:47:40,959 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:40,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-20 12:47:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:47:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:47:40,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-20 12:47:40,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:47:40,992 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:47:41,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:41,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:47:41,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:41,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:47:41,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:41,489 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-20 12:47:41,489 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:41,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-20 12:47:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:47:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:47:41,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-20 12:47:41,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:47:41,527 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:47:41,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:41,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:47:41,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:41,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:47:41,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:42,012 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-20 12:47:42,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:42,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:42,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 279 transitions. Complement of second has 28 states. [2022-11-20 12:47:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:47:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 87 transitions. [2022-11-20 12:47:42,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-20 12:47:42,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:47:42,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 106 letters. Loop has 2 letters. [2022-11-20 12:47:42,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:47:42,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 4 letters. [2022-11-20 12:47:42,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:47:42,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 279 transitions. [2022-11-20 12:47:42,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:47:42,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 207 states and 269 transitions. [2022-11-20 12:47:42,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 12:47:42,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 12:47:42,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 269 transitions. [2022-11-20 12:47:42,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:47:42,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 269 transitions. [2022-11-20 12:47:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 269 transitions. [2022-11-20 12:47:42,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 124. [2022-11-20 12:47:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 123 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-20 12:47:42,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-20 12:47:42,377 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-20 12:47:42,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2022-11-20 12:47:42,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 152 transitions. [2022-11-20 12:47:42,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:47:42,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:47:42,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:47:42,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:47:42,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:47:42,379 INFO L748 eck$LassoCheckResult]: Stem: 32809#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 32810#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 32816#L551 assume !(main_~length~0#1 < 1); 32825#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 32819#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 32820#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32827#L556 assume !(main_~val~0#1 < 0); 32882#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32881#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32828#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32811#L556 assume !(main_~val~0#1 < 0); 32812#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32813#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32826#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32880#L556 assume !(main_~val~0#1 < 0); 32879#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32878#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32877#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32876#L556 assume !(main_~val~0#1 < 0); 32875#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32874#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32873#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32872#L556 assume !(main_~val~0#1 < 0); 32871#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32870#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32869#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32868#L556 assume !(main_~val~0#1 < 0); 32867#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32866#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32865#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32864#L556 assume !(main_~val~0#1 < 0); 32863#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32862#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32861#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32860#L556 assume !(main_~val~0#1 < 0); 32859#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32858#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32857#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32856#L556 assume !(main_~val~0#1 < 0); 32855#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32854#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32853#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32852#L556 assume !(main_~val~0#1 < 0); 32851#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32850#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32849#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32848#L556 assume !(main_~val~0#1 < 0); 32847#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32846#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32845#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32844#L556 assume !(main_~val~0#1 < 0); 32843#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32842#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32841#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32837#L556 assume !(main_~val~0#1 < 0); 32840#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32839#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32836#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 32817#L554-4 main_~j~0#1 := 0; 32818#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32829#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32931#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32930#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32830#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32824#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32831#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32814#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32815#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32928#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32927#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32926#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32925#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32923#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32922#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32921#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32920#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32918#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32917#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32916#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32915#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32913#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32912#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32911#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32910#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32908#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32907#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32906#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32905#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32903#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32902#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32901#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32900#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32898#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32897#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32896#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32895#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32893#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32892#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32891#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32890#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32888#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32887#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32886#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32885#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32884#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32835#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32834#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32832#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32822#L562-3 [2022-11-20 12:47:42,379 INFO L750 eck$LassoCheckResult]: Loop: 32822#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32821#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 32822#L562-3 [2022-11-20 12:47:42,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:42,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1943554124, now seen corresponding path program 34 times [2022-11-20 12:47:42,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:42,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171507950] [2022-11-20 12:47:42,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:47:42,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:47:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:47:42,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:47:42,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:42,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 34 times [2022-11-20 12:47:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:42,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125717864] [2022-11-20 12:47:42,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:42,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:47:42,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:47:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:47:42,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:47:42,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:42,473 INFO L85 PathProgramCache]: Analyzing trace with hash 555262137, now seen corresponding path program 21 times [2022-11-20 12:47:42,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:42,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830675489] [2022-11-20 12:47:42,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:42,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:47:42,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:47:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:47:42,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:48:10,598 WARN L233 SmtUtils]: Spent 28.00s on a formula simplification. DAG size of input: 470 DAG size of output: 361 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:48:12,264 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:48:12,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:48:12,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:48:12,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:48:12,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:48:12,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:12,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:48:12,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:48:12,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration37_Lasso [2022-11-20 12:48:12,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:48:12,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:48:12,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:12,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:48:16,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:48:16,883 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:48:16,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,884 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2022-11-20 12:48:16,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:16,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:16,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:16,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:16,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:16,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:16,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:16,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:16,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:16,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Ended with exit code 0 [2022-11-20 12:48:16,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,902 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2022-11-20 12:48:16,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:16,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:16,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:16,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:16,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:16,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:16,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:16,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:16,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:16,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Ended with exit code 0 [2022-11-20 12:48:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,920 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2022-11-20 12:48:16,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:16,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:16,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:16,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:16,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:16,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:16,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:16,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:16,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Ended with exit code 0 [2022-11-20 12:48:16,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,941 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2022-11-20 12:48:16,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:16,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:16,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:16,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:16,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:16,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:16,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:16,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:16,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:16,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2022-11-20 12:48:16,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,959 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2022-11-20 12:48:16,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:16,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:16,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:16,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:16,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:16,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:16,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:16,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:16,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:16,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2022-11-20 12:48:16,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,977 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2022-11-20 12:48:16,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:16,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:16,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:16,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:16,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:16,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:16,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:16,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:16,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:16,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2022-11-20 12:48:16,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:16,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:16,995 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2022-11-20 12:48:16,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Forceful destruction successful, exit code 0 [2022-11-20 12:48:17,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,015 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2022-11-20 12:48:17,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:17,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:17,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:17,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Ended with exit code 0 [2022-11-20 12:48:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,033 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2022-11-20 12:48:17,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:17,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:17,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:17,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Ended with exit code 0 [2022-11-20 12:48:17,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,050 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2022-11-20 12:48:17,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Ended with exit code 0 [2022-11-20 12:48:17,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,070 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2022-11-20 12:48:17,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Ended with exit code 0 [2022-11-20 12:48:17,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,090 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2022-11-20 12:48:17,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2022-11-20 12:48:17,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,111 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2022-11-20 12:48:17,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:48:17,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:48:17,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:48:17,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Ended with exit code 0 [2022-11-20 12:48:17,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,128 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2022-11-20 12:48:17,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Ended with exit code 0 [2022-11-20 12:48:17,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,149 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2022-11-20 12:48:17,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Ended with exit code 0 [2022-11-20 12:48:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,175 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Waiting until timeout for monitored process [2022-11-20 12:48:17,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Ended with exit code 0 [2022-11-20 12:48:17,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,201 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Waiting until timeout for monitored process [2022-11-20 12:48:17,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Ended with exit code 0 [2022-11-20 12:48:17,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,227 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Waiting until timeout for monitored process [2022-11-20 12:48:17,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:48:17,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Ended with exit code 0 [2022-11-20 12:48:17,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,256 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Waiting until timeout for monitored process [2022-11-20 12:48:17,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:48:17,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:48:17,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:48:17,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:48:17,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:48:17,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:48:17,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:48:17,281 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:48:17,295 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 12:48:17,295 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:48:17,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:48:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:17,296 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Waiting until timeout for monitored process [2022-11-20 12:48:17,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:48:17,310 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:48:17,310 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:48:17,310 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2 Supporting invariants [] [2022-11-20 12:48:17,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Forceful destruction successful, exit code 0 [2022-11-20 12:48:17,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Forceful destruction successful, exit code 0 [2022-11-20 12:48:17,448 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-20 12:48:17,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:17,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:48:17,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:17,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:48:17,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:17,964 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 12:48:17,964 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:17,997 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-20 12:48:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:48:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:48:17,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-20 12:48:17,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:48:17,998 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:48:18,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:18,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:48:18,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:18,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:48:18,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:18,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 12:48:18,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:18,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-20 12:48:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:48:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:48:18,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-20 12:48:18,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:48:18,537 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:48:18,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:18,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:48:18,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:19,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:48:19,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:19,092 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 12:48:19,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:19,505 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 150 states and 193 transitions. Complement of second has 32 states. [2022-11-20 12:48:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:48:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 99 transitions. [2022-11-20 12:48:19,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-20 12:48:19,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:48:19,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 110 letters. Loop has 2 letters. [2022-11-20 12:48:19,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:48:19,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 4 letters. [2022-11-20 12:48:19,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:48:19,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 193 transitions. [2022-11-20 12:48:19,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:48:19,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 145 states and 186 transitions. [2022-11-20 12:48:19,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:48:19,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:48:19,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 186 transitions. [2022-11-20 12:48:19,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:48:19,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 186 transitions. [2022-11-20 12:48:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 186 transitions. [2022-11-20 12:48:19,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2022-11-20 12:48:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2248062015503876) internal successors, (158), 128 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2022-11-20 12:48:19,514 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-20 12:48:19,515 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-20 12:48:19,515 INFO L335 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2022-11-20 12:48:19,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 158 transitions. [2022-11-20 12:48:19,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:48:19,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:48:19,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:48:19,516 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:48:19,516 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:48:19,517 INFO L748 eck$LassoCheckResult]: Stem: 34548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 34549#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 34555#L551 assume !(main_~length~0#1 < 1); 34560#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 34558#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 34559#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34567#L556 assume !(main_~val~0#1 < 0); 34618#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34565#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34566#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34550#L556 assume !(main_~val~0#1 < 0); 34551#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34552#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34615#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34614#L556 assume !(main_~val~0#1 < 0); 34613#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34612#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34611#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34610#L556 assume !(main_~val~0#1 < 0); 34609#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34608#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34607#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34606#L556 assume !(main_~val~0#1 < 0); 34605#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34604#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34603#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34602#L556 assume !(main_~val~0#1 < 0); 34601#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34600#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34599#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34598#L556 assume !(main_~val~0#1 < 0); 34597#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34596#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34595#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34594#L556 assume !(main_~val~0#1 < 0); 34593#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34592#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34591#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34590#L556 assume !(main_~val~0#1 < 0); 34589#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34588#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34587#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34586#L556 assume !(main_~val~0#1 < 0); 34585#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34584#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34583#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34582#L556 assume !(main_~val~0#1 < 0); 34581#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34580#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34579#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34578#L556 assume !(main_~val~0#1 < 0); 34577#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34576#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34575#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34572#L556 assume !(main_~val~0#1 < 0); 34574#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34573#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34571#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 34556#L554-4 main_~j~0#1 := 0; 34557#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34568#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34675#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34674#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34569#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34564#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34570#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34553#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34554#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34672#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34671#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34670#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34669#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34667#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34666#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34665#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34664#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34662#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34661#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34660#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34659#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34657#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34656#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34655#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34654#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34652#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34651#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34650#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34649#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34647#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34646#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34645#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34644#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34642#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34641#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34640#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34639#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34637#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34636#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34635#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34634#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34632#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34631#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34630#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34629#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34627#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34626#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34625#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34624#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34623#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34620#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34619#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34616#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34562#L562-3 [2022-11-20 12:48:19,517 INFO L750 eck$LassoCheckResult]: Loop: 34562#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34561#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 34562#L562-3 [2022-11-20 12:48:19,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:19,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1030968841, now seen corresponding path program 35 times [2022-11-20 12:48:19,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:19,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008782701] [2022-11-20 12:48:19,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:19,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 276 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:20,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:48:20,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008782701] [2022-11-20 12:48:20,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008782701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:48:20,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397570335] [2022-11-20 12:48:20,265 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:48:20,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:48:20,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:20,267 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:48:20,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (368)] Waiting until timeout for monitored process [2022-11-20 12:48:20,663 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-11-20 12:48:20,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:48:20,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 12:48:20,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:48:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:21,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:48:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:21,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397570335] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:48:21,762 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:48:21,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 46 [2022-11-20 12:48:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814363634] [2022-11-20 12:48:21,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:48:21,763 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:48:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 35 times [2022-11-20 12:48:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:21,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000970555] [2022-11-20 12:48:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:21,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:48:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:21,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:48:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:48:21,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-20 12:48:21,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=1662, Unknown=0, NotChecked=0, Total=2162 [2022-11-20 12:48:21,814 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. cyclomatic complexity: 45 Second operand has 47 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 47 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:48:22,437 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2022-11-20 12:48:22,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 247 transitions. [2022-11-20 12:48:22,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:48:22,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 136 states and 167 transitions. [2022-11-20 12:48:22,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:48:22,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:48:22,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 167 transitions. [2022-11-20 12:48:22,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:48:22,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 167 transitions. [2022-11-20 12:48:22,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 167 transitions. [2022-11-20 12:48:22,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-11-20 12:48:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 132 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions. [2022-11-20 12:48:22,442 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-20 12:48:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 12:48:22,443 INFO L428 stractBuchiCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-20 12:48:22,443 INFO L335 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2022-11-20 12:48:22,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 163 transitions. [2022-11-20 12:48:22,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:48:22,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:48:22,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:48:22,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:48:22,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:48:22,445 INFO L748 eck$LassoCheckResult]: Stem: 35626#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35627#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 35633#L551 assume !(main_~length~0#1 < 1); 35642#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 35636#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 35637#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35628#L556 assume !(main_~val~0#1 < 0); 35629#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35630#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35643#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35644#L556 assume !(main_~val~0#1 < 0); 35758#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35757#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35756#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35755#L556 assume !(main_~val~0#1 < 0); 35754#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35753#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35752#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35751#L556 assume !(main_~val~0#1 < 0); 35750#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35749#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35748#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35747#L556 assume !(main_~val~0#1 < 0); 35746#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35745#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35744#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35743#L556 assume !(main_~val~0#1 < 0); 35742#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35741#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35740#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35739#L556 assume !(main_~val~0#1 < 0); 35738#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35737#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35736#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35735#L556 assume !(main_~val~0#1 < 0); 35734#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35733#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35732#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35731#L556 assume !(main_~val~0#1 < 0); 35730#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35729#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35728#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35727#L556 assume !(main_~val~0#1 < 0); 35726#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35725#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35724#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35723#L556 assume !(main_~val~0#1 < 0); 35722#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35721#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35720#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35719#L556 assume !(main_~val~0#1 < 0); 35718#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35717#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35716#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35715#L556 assume !(main_~val~0#1 < 0); 35714#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35713#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35712#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35653#L556 assume !(main_~val~0#1 < 0); 35656#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35654#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35652#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 35634#L554-4 main_~j~0#1 := 0; 35635#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35645#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35710#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35709#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35646#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35641#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35647#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35631#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35632#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35707#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35706#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35705#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35704#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35702#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35701#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35700#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35699#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35697#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35696#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35695#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35694#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35692#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35691#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35690#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35689#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35687#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35686#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35685#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35684#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35682#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35681#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35680#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35679#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35677#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35676#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35675#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35674#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35672#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35671#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35670#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35669#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35667#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35666#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35665#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35664#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35662#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35661#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35660#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35659#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35658#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35651#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35650#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35648#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35639#L562-3 [2022-11-20 12:48:22,445 INFO L750 eck$LassoCheckResult]: Loop: 35639#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35638#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 35639#L562-3 [2022-11-20 12:48:22,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:22,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1613328130, now seen corresponding path program 36 times [2022-11-20 12:48:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:22,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820335911] [2022-11-20 12:48:22,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:22,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:22,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:48:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:22,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:48:22,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:22,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 36 times [2022-11-20 12:48:22,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:22,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768925366] [2022-11-20 12:48:22,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:22,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:22,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:48:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:22,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:48:22,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash -74859385, now seen corresponding path program 22 times [2022-11-20 12:48:22,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:22,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505893641] [2022-11-20 12:48:22,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:22,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:22,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:48:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:22,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:49:05,129 WARN L233 SmtUtils]: Spent 42.45s on a formula simplification. DAG size of input: 503 DAG size of output: 386 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:49:06,737 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:49:06,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:49:06,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:49:06,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:49:06,738 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:49:06,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:06,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:49:06,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:49:06,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration39_Lasso [2022-11-20 12:49:06,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:49:06,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:49:06,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:06,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:06,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:06,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:06,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:49:10,796 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:49:10,796 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:49:10,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,798 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:49:10,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:49:10,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:49:10,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Waiting until timeout for monitored process [2022-11-20 12:49:10,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Ended with exit code 0 [2022-11-20 12:49:10,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,836 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Waiting until timeout for monitored process [2022-11-20 12:49:10,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:10,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,856 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Waiting until timeout for monitored process [2022-11-20 12:49:10,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:10,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,876 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Waiting until timeout for monitored process [2022-11-20 12:49:10,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Ended with exit code 0 [2022-11-20 12:49:10,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,897 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Waiting until timeout for monitored process [2022-11-20 12:49:10,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:10,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,919 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Waiting until timeout for monitored process [2022-11-20 12:49:10,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,943 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Waiting until timeout for monitored process [2022-11-20 12:49:10,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:10,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,967 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Waiting until timeout for monitored process [2022-11-20 12:49:10,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:10,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:10,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:10,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:10,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Ended with exit code 0 [2022-11-20 12:49:10,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:10,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:10,987 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Waiting until timeout for monitored process [2022-11-20 12:49:10,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:10,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:10,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:10,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:10,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:11,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Ended with exit code 0 [2022-11-20 12:49:11,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,010 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Waiting until timeout for monitored process [2022-11-20 12:49:11,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:11,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:11,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:11,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:11,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:11,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Ended with exit code 0 [2022-11-20 12:49:11,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,044 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Waiting until timeout for monitored process [2022-11-20 12:49:11,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:11,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:11,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:11,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:11,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:11,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Ended with exit code 0 [2022-11-20 12:49:11,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,069 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Waiting until timeout for monitored process [2022-11-20 12:49:11,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:11,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:11,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:11,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:11,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:11,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Ended with exit code 0 [2022-11-20 12:49:11,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,091 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Waiting until timeout for monitored process [2022-11-20 12:49:11,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:11,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:11,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:11,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:11,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:11,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Ended with exit code 0 [2022-11-20 12:49:11,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,115 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Waiting until timeout for monitored process [2022-11-20 12:49:11,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:11,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:11,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:11,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:11,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:49:11,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Ended with exit code 0 [2022-11-20 12:49:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,140 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:49:11,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:49:11,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:49:11,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:49:11,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:49:11,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Waiting until timeout for monitored process [2022-11-20 12:49:11,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:49:11,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:49:11,182 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:49:11,190 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 12:49:11,191 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:49:11,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:49:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:11,198 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:49:11,203 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:49:11,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (384)] Waiting until timeout for monitored process [2022-11-20 12:49:11,216 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:49:11,216 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:49:11,216 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13 Supporting invariants [] [2022-11-20 12:49:11,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Ended with exit code 0 [2022-11-20 12:49:11,438 INFO L156 tatePredicateManager]: 46 out of 47 supporting invariants were superfluous and have been removed [2022-11-20 12:49:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:11,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 12:49:11,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:11,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (384)] Ended with exit code 0 [2022-11-20 12:49:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:12,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:49:12,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:12,643 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-20 12:49:12,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:13,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-20 12:49:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:49:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-20 12:49:13,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-20 12:49:13,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:49:13,225 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:49:13,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:13,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 12:49:13,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:14,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:49:14,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:14,488 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-20 12:49:14,488 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:15,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-20 12:49:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:49:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-20 12:49:15,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-20 12:49:15,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:49:15,168 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:49:15,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:15,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 12:49:15,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:16,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:49:16,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:16,372 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-20 12:49:16,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:17,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 254 states and 331 transitions. Complement of second has 50 states. [2022-11-20 12:49:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 34 states 30 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:49:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 188 transitions. [2022-11-20 12:49:17,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-20 12:49:17,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:49:17,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 118 letters. Loop has 2 letters. [2022-11-20 12:49:17,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:49:17,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 4 letters. [2022-11-20 12:49:17,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:49:17,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 254 states and 331 transitions. [2022-11-20 12:49:17,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:49:17,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 254 states to 249 states and 324 transitions. [2022-11-20 12:49:17,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:49:17,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:49:17,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2022-11-20 12:49:17,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:49:17,948 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 324 transitions. [2022-11-20 12:49:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2022-11-20 12:49:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 144. [2022-11-20 12:49:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 144 states have (on average 1.2291666666666667) internal successors, (177), 143 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2022-11-20 12:49:17,952 INFO L240 hiAutomatonCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-20 12:49:17,952 INFO L428 stractBuchiCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-20 12:49:17,953 INFO L335 stractBuchiCegarLoop]: ======== Iteration 40 ============ [2022-11-20 12:49:17,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 177 transitions. [2022-11-20 12:49:17,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:49:17,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:49:17,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:49:17,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:17,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:49:17,955 INFO L748 eck$LassoCheckResult]: Stem: 37811#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37812#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 37818#L551 assume !(main_~length~0#1 < 1); 37823#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 37821#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 37822#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37813#L556 assume !(main_~val~0#1 < 0); 37814#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37815#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37830#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37831#L556 assume !(main_~val~0#1 < 0); 37883#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37828#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37829#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37882#L556 assume !(main_~val~0#1 < 0); 37881#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37880#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37879#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37878#L556 assume !(main_~val~0#1 < 0); 37877#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37876#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37875#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37874#L556 assume !(main_~val~0#1 < 0); 37873#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37872#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37871#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37870#L556 assume !(main_~val~0#1 < 0); 37869#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37868#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37867#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37866#L556 assume !(main_~val~0#1 < 0); 37865#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37864#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37863#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37862#L556 assume !(main_~val~0#1 < 0); 37861#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37860#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37859#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37858#L556 assume !(main_~val~0#1 < 0); 37857#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37856#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37855#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37854#L556 assume !(main_~val~0#1 < 0); 37853#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37852#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37851#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37850#L556 assume !(main_~val~0#1 < 0); 37849#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37848#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37847#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37846#L556 assume !(main_~val~0#1 < 0); 37845#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37844#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37843#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37842#L556 assume !(main_~val~0#1 < 0); 37841#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37840#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37838#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37839#L556 assume !(main_~val~0#1 < 0); 37954#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37953#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37952#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 37951#L554-4 main_~j~0#1 := 0; 37950#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37948#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37947#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37946#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37832#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37827#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37833#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37816#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37817#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37944#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37943#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37942#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37941#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37939#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37938#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37937#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37936#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37934#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37933#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37932#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37931#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37929#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37928#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37927#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37926#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37924#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37923#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37922#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37921#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37919#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37918#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37917#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37916#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37914#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37913#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37912#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37911#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37909#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37908#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37907#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37906#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37904#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37903#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37902#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37901#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37899#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37898#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37897#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37896#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37894#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37893#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37892#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37891#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37890#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37887#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37886#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37884#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37825#L562-3 [2022-11-20 12:49:17,955 INFO L750 eck$LassoCheckResult]: Loop: 37825#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37824#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 37825#L562-3 [2022-11-20 12:49:17,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:17,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1074574935, now seen corresponding path program 37 times [2022-11-20 12:49:17,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:49:17,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357638949] [2022-11-20 12:49:17,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:17,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:49:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 325 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:18,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:49:18,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357638949] [2022-11-20 12:49:18,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357638949] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:49:18,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162562760] [2022-11-20 12:49:18,859 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 12:49:18,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:49:18,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:49:18,863 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:49:18,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (385)] Waiting until timeout for monitored process [2022-11-20 12:49:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:19,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:49:19,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:19,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:49:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:20,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162562760] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:49:20,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:49:20,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 49 [2022-11-20 12:49:20,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568759295] [2022-11-20 12:49:20,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:49:20,495 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:49:20,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 37 times [2022-11-20 12:49:20,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:49:20,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135248310] [2022-11-20 12:49:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:49:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:20,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:49:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:20,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:49:20,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:49:20,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-20 12:49:20,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=1885, Unknown=0, NotChecked=0, Total=2450 [2022-11-20 12:49:20,549 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. cyclomatic complexity: 50 Second operand has 50 states, 49 states have (on average 3.836734693877551) internal successors, (188), 50 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:21,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:21,160 INFO L93 Difference]: Finished difference Result 212 states and 258 transitions. [2022-11-20 12:49:21,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 258 transitions. [2022-11-20 12:49:21,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:49:21,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 140 states and 172 transitions. [2022-11-20 12:49:21,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:49:21,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:49:21,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 172 transitions. [2022-11-20 12:49:21,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:49:21,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 140 states and 172 transitions. [2022-11-20 12:49:21,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 172 transitions. [2022-11-20 12:49:21,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-20 12:49:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2262773722627738) internal successors, (168), 136 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 168 transitions. [2022-11-20 12:49:21,165 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-20 12:49:21,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-20 12:49:21,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-20 12:49:21,165 INFO L335 stractBuchiCegarLoop]: ======== Iteration 41 ============ [2022-11-20 12:49:21,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 168 transitions. [2022-11-20 12:49:21,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:49:21,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:49:21,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:49:21,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:21,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:49:21,167 INFO L748 eck$LassoCheckResult]: Stem: 38966#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38967#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 38973#L551 assume !(main_~length~0#1 < 1); 38982#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 38976#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 38977#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38968#L556 assume !(main_~val~0#1 < 0); 38969#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38970#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38983#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38984#L556 assume !(main_~val~0#1 < 0); 39102#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39101#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39100#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39099#L556 assume !(main_~val~0#1 < 0); 39098#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39097#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39096#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39095#L556 assume !(main_~val~0#1 < 0); 39094#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39093#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39092#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39091#L556 assume !(main_~val~0#1 < 0); 39090#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39089#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39088#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39087#L556 assume !(main_~val~0#1 < 0); 39086#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39085#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39084#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39083#L556 assume !(main_~val~0#1 < 0); 39082#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39081#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39080#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39079#L556 assume !(main_~val~0#1 < 0); 39078#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39077#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39076#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39075#L556 assume !(main_~val~0#1 < 0); 39074#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39073#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39072#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39071#L556 assume !(main_~val~0#1 < 0); 39070#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39069#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39068#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39067#L556 assume !(main_~val~0#1 < 0); 39066#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39065#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39064#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39063#L556 assume !(main_~val~0#1 < 0); 39062#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39061#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39060#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39059#L556 assume !(main_~val~0#1 < 0); 39058#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39057#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39056#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39055#L556 assume !(main_~val~0#1 < 0); 39054#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39053#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39052#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38993#L556 assume !(main_~val~0#1 < 0); 38996#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38994#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38992#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 38974#L554-4 main_~j~0#1 := 0; 38975#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38985#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38987#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38971#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38972#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38981#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39051#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39050#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39049#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39047#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39046#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39045#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39044#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39042#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39041#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39040#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39039#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39037#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39036#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39035#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39034#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39032#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39031#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39030#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39029#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39027#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39026#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39025#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39024#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39022#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39021#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39020#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39019#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39017#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39016#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39015#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39014#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39012#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39011#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39010#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39009#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39007#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39006#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39005#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39004#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39002#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39001#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39000#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38999#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38998#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38991#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38990#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38988#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38979#L562-3 [2022-11-20 12:49:21,168 INFO L750 eck$LassoCheckResult]: Loop: 38979#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38978#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 38979#L562-3 [2022-11-20 12:49:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:21,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1748475013, now seen corresponding path program 38 times [2022-11-20 12:49:21,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:49:21,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197956426] [2022-11-20 12:49:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:49:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:21,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:49:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:21,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:49:21,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 38 times [2022-11-20 12:49:21,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:49:21,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260086302] [2022-11-20 12:49:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:49:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:21,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:49:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:21,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:49:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:21,272 INFO L85 PathProgramCache]: Analyzing trace with hash -952273216, now seen corresponding path program 23 times [2022-11-20 12:49:21,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:49:21,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224141400] [2022-11-20 12:49:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:21,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:49:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:21,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:49:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:49:21,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:50:07,232 WARN L233 SmtUtils]: Spent 45.81s on a formula simplification. DAG size of input: 522 DAG size of output: 398 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:50:10,484 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:50:10,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:50:10,484 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:50:10,484 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:50:10,485 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:50:10,485 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:10,485 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:50:10,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:50:10,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration41_Lasso [2022-11-20 12:50:10,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:50:10,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:50:10,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:10,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:10,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:10,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:10,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:12,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:50:13,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:50:13,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:50:13,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,150 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Waiting until timeout for monitored process [2022-11-20 12:50:13,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:50:13,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:50:13,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:50:13,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Forceful destruction successful, exit code 0 [2022-11-20 12:50:13,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,166 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Waiting until timeout for monitored process [2022-11-20 12:50:13,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Ended with exit code 0 [2022-11-20 12:50:13,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,186 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Waiting until timeout for monitored process [2022-11-20 12:50:13,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:50:13,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:50:13,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:50:13,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Ended with exit code 0 [2022-11-20 12:50:13,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,204 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Waiting until timeout for monitored process [2022-11-20 12:50:13,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Forceful destruction successful, exit code 0 [2022-11-20 12:50:13,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,224 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Waiting until timeout for monitored process [2022-11-20 12:50:13,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Ended with exit code 0 [2022-11-20 12:50:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,245 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Waiting until timeout for monitored process [2022-11-20 12:50:13,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Ended with exit code 0 [2022-11-20 12:50:13,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,268 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Waiting until timeout for monitored process [2022-11-20 12:50:13,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Ended with exit code 0 [2022-11-20 12:50:13,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,289 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Waiting until timeout for monitored process [2022-11-20 12:50:13,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Ended with exit code 0 [2022-11-20 12:50:13,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,320 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Waiting until timeout for monitored process [2022-11-20 12:50:13,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Ended with exit code 0 [2022-11-20 12:50:13,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,341 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Waiting until timeout for monitored process [2022-11-20 12:50:13,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Ended with exit code 0 [2022-11-20 12:50:13,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,362 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Waiting until timeout for monitored process [2022-11-20 12:50:13,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Ended with exit code 0 [2022-11-20 12:50:13,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,386 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Waiting until timeout for monitored process [2022-11-20 12:50:13,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Forceful destruction successful, exit code 0 [2022-11-20 12:50:13,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,408 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Waiting until timeout for monitored process [2022-11-20 12:50:13,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Forceful destruction successful, exit code 0 [2022-11-20 12:50:13,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,429 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Waiting until timeout for monitored process [2022-11-20 12:50:13,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Ended with exit code 0 [2022-11-20 12:50:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,451 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Waiting until timeout for monitored process [2022-11-20 12:50:13,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:50:13,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Ended with exit code 0 [2022-11-20 12:50:13,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,474 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Waiting until timeout for monitored process [2022-11-20 12:50:13,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:50:13,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:50:13,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:50:13,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:50:13,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:50:13,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:50:13,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:50:13,500 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:50:13,514 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 12:50:13,514 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:50:13,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:50:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:50:13,515 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:50:13,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Waiting until timeout for monitored process [2022-11-20 12:50:13,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:50:13,528 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:50:13,528 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:50:13,528 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-20 12:50:13,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Ended with exit code 0 [2022-11-20 12:50:13,603 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-20 12:50:13,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:13,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 12:50:13,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:13,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Ended with exit code 0 [2022-11-20 12:50:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:14,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:50:14,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:14,142 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-20 12:50:14,143 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:14,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-20 12:50:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:50:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:50:14,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-20 12:50:14,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:50:14,177 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:50:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:14,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 12:50:14,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:14,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:50:14,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:14,703 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-20 12:50:14,703 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:14,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-20 12:50:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:50:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:50:14,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-20 12:50:14,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:50:14,737 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:50:14,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:14,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 12:50:14,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:15,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:50:15,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:15,257 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-20 12:50:15,258 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:15,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 164 states and 211 transitions. Complement of second has 34 states. [2022-11-20 12:50:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 15 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:50:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 105 transitions. [2022-11-20 12:50:15,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-20 12:50:15,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:50:15,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 122 letters. Loop has 2 letters. [2022-11-20 12:50:15,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:50:15,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 4 letters. [2022-11-20 12:50:15,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:50:15,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 211 transitions. [2022-11-20 12:50:15,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:50:15,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 159 states and 204 transitions. [2022-11-20 12:50:15,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:50:15,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:50:15,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 204 transitions. [2022-11-20 12:50:15,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:50:15,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 204 transitions. [2022-11-20 12:50:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 204 transitions. [2022-11-20 12:50:15,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2022-11-20 12:50:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.2253521126760563) internal successors, (174), 141 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2022-11-20 12:50:15,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-20 12:50:15,747 INFO L428 stractBuchiCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-20 12:50:15,747 INFO L335 stractBuchiCegarLoop]: ======== Iteration 42 ============ [2022-11-20 12:50:15,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 174 transitions. [2022-11-20 12:50:15,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:50:15,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:50:15,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:50:15,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:50:15,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:50:15,749 INFO L748 eck$LassoCheckResult]: Stem: 40844#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 40845#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 40851#L551 assume !(main_~length~0#1 < 1); 40860#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 40854#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 40855#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40863#L556 assume !(main_~val~0#1 < 0); 40920#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40861#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40862#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40846#L556 assume !(main_~val~0#1 < 0); 40847#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40848#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40919#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40918#L556 assume !(main_~val~0#1 < 0); 40917#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40916#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40915#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40914#L556 assume !(main_~val~0#1 < 0); 40913#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40912#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40911#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40910#L556 assume !(main_~val~0#1 < 0); 40909#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40908#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40907#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40906#L556 assume !(main_~val~0#1 < 0); 40905#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40904#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40903#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40902#L556 assume !(main_~val~0#1 < 0); 40901#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40900#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40899#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40898#L556 assume !(main_~val~0#1 < 0); 40897#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40896#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40895#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40894#L556 assume !(main_~val~0#1 < 0); 40893#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40892#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40891#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40890#L556 assume !(main_~val~0#1 < 0); 40889#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40888#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40887#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40886#L556 assume !(main_~val~0#1 < 0); 40885#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40884#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40883#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40882#L556 assume !(main_~val~0#1 < 0); 40881#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40880#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40879#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40878#L556 assume !(main_~val~0#1 < 0); 40877#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40876#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40875#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40874#L556 assume !(main_~val~0#1 < 0); 40873#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40872#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40871#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40868#L556 assume !(main_~val~0#1 < 0); 40870#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40869#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40867#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 40852#L554-4 main_~j~0#1 := 0; 40853#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40864#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40984#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40983#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40865#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40859#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40866#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40849#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40850#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40981#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40980#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40979#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40978#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40976#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40975#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40974#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40973#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40971#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40970#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40969#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40968#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40966#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40965#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40964#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40963#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40961#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40960#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40959#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40958#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40956#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40955#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40954#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40953#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40951#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40950#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40949#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40948#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40946#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40945#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40944#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40943#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40941#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40940#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40939#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40938#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40936#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40935#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40934#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40933#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40931#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40930#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40929#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40928#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40927#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40924#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40923#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40921#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40857#L562-3 [2022-11-20 12:50:15,749 INFO L750 eck$LassoCheckResult]: Loop: 40857#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40856#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 40857#L562-3 [2022-11-20 12:50:15,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash -306526640, now seen corresponding path program 39 times [2022-11-20 12:50:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:50:15,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942135073] [2022-11-20 12:50:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:15,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:50:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:50:15,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:50:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:50:15,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:50:15,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 39 times [2022-11-20 12:50:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:50:15,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609761571] [2022-11-20 12:50:15,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:15,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:50:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:50:15,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:50:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:50:15,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:50:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1780643925, now seen corresponding path program 24 times [2022-11-20 12:50:15,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:50:15,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021965058] [2022-11-20 12:50:15,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:15,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:50:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:50:15,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:50:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:50:15,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:51:00,428 WARN L233 SmtUtils]: Spent 44.42s on a formula simplification. DAG size of input: 536 DAG size of output: 411 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:51:06,878 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:51:06,883 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:51:06,883 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:51:06,883 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:51:06,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:51:06,883 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:51:06,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:06,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:51:06,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:51:06,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration42_Lasso [2022-11-20 12:51:06,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:51:06,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:51:06,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:06,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:17,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:17,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:17,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:17,947 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:17,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:17,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:51:18,570 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:51:18,570 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:51:18,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,581 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:51:18,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:51:18,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:51:18,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Waiting until timeout for monitored process [2022-11-20 12:51:18,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,617 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Waiting until timeout for monitored process [2022-11-20 12:51:18,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,651 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Waiting until timeout for monitored process [2022-11-20 12:51:18,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,691 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:51:18,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:51:18,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:51:18,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Waiting until timeout for monitored process [2022-11-20 12:51:18,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,725 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:51:18,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:51:18,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:51:18,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Waiting until timeout for monitored process [2022-11-20 12:51:18,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,763 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:51:18,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:51:18,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:51:18,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Waiting until timeout for monitored process [2022-11-20 12:51:18,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,795 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Waiting until timeout for monitored process [2022-11-20 12:51:18,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:51:18,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:51:18,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:51:18,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,812 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Waiting until timeout for monitored process [2022-11-20 12:51:18,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Ended with exit code 0 [2022-11-20 12:51:18,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,832 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Waiting until timeout for monitored process [2022-11-20 12:51:18,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Ended with exit code 0 [2022-11-20 12:51:18,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,858 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Waiting until timeout for monitored process [2022-11-20 12:51:18,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Ended with exit code 0 [2022-11-20 12:51:18,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,879 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Waiting until timeout for monitored process [2022-11-20 12:51:18,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Ended with exit code 0 [2022-11-20 12:51:18,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,920 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Waiting until timeout for monitored process [2022-11-20 12:51:18,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:18,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:18,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:18,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:18,975 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:18,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:18,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:18,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:18,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:18,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:18,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:18,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:18,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Waiting until timeout for monitored process [2022-11-20 12:51:19,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:19,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:19,018 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:19,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:19,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:19,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:19,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:19,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:19,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:19,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:19,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Waiting until timeout for monitored process [2022-11-20 12:51:19,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:51:19,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:19,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:19,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:19,057 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:19,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:51:19,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:51:19,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:51:19,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:51:19,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:51:19,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Waiting until timeout for monitored process [2022-11-20 12:51:19,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:51:19,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:51:19,094 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:51:19,109 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 12:51:19,110 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-20 12:51:19,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:51:19,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:19,114 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:51:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (418)] Waiting until timeout for monitored process [2022-11-20 12:51:19,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:51:19,127 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:51:19,127 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:51:19,127 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-20 12:51:19,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Ended with exit code 0 [2022-11-20 12:51:19,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (418)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:19,233 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-11-20 12:51:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:19,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:51:19,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:19,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:51:19,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:51:19,787 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 12:51:19,787 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:19,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-20 12:51:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:51:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:51:19,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-20 12:51:19,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:51:19,822 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:51:19,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:19,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:51:19,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:20,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:51:20,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:51:20,374 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 12:51:20,374 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:20,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-20 12:51:20,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:51:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 12:51:20,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-20 12:51:20,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:51:20,412 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:51:20,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:20,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:51:20,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:20,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:51:20,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:51:21,003 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 12:51:21,004 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:21,539 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 170 states and 219 transitions. Complement of second has 36 states. [2022-11-20 12:51:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:51:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:21,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-20 12:51:21,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-20 12:51:21,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:51:21,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 126 letters. Loop has 2 letters. [2022-11-20 12:51:21,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:51:21,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 4 letters. [2022-11-20 12:51:21,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:51:21,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 219 transitions. [2022-11-20 12:51:21,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:51:21,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 165 states and 212 transitions. [2022-11-20 12:51:21,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:51:21,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:51:21,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 212 transitions. [2022-11-20 12:51:21,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:51:21,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 165 states and 212 transitions. [2022-11-20 12:51:21,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 212 transitions. [2022-11-20 12:51:21,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2022-11-20 12:51:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2244897959183674) internal successors, (180), 146 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-11-20 12:51:21,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-20 12:51:21,546 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-20 12:51:21,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 43 ============ [2022-11-20 12:51:21,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-11-20 12:51:21,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:51:21,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:51:21,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:51:21,547 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:51:21,547 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:51:21,548 INFO L748 eck$LassoCheckResult]: Stem: 42789#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 42790#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 42796#L551 assume !(main_~length~0#1 < 1); 42805#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 42799#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 42800#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42808#L556 assume !(main_~val~0#1 < 0); 42865#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42806#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42807#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42791#L556 assume !(main_~val~0#1 < 0); 42792#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42793#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42864#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42863#L556 assume !(main_~val~0#1 < 0); 42862#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42861#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42860#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42859#L556 assume !(main_~val~0#1 < 0); 42858#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42857#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42856#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42855#L556 assume !(main_~val~0#1 < 0); 42854#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42853#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42852#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42851#L556 assume !(main_~val~0#1 < 0); 42850#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42849#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42848#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42847#L556 assume !(main_~val~0#1 < 0); 42846#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42845#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42844#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42843#L556 assume !(main_~val~0#1 < 0); 42842#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42841#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42840#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42839#L556 assume !(main_~val~0#1 < 0); 42838#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42837#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42836#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42835#L556 assume !(main_~val~0#1 < 0); 42834#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42833#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42832#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42831#L556 assume !(main_~val~0#1 < 0); 42830#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42829#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42828#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42827#L556 assume !(main_~val~0#1 < 0); 42826#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42825#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42824#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42823#L556 assume !(main_~val~0#1 < 0); 42822#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42821#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42820#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42819#L556 assume !(main_~val~0#1 < 0); 42818#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42817#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42816#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42813#L556 assume !(main_~val~0#1 < 0); 42815#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42814#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42812#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 42797#L554-4 main_~j~0#1 := 0; 42798#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42809#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42934#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42933#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42810#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42804#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42811#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42794#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42795#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42931#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42930#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42929#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42928#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42926#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42925#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42924#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42923#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42921#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42920#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42919#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42918#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42916#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42915#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42914#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42913#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42911#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42910#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42909#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42908#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42906#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42905#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42904#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42903#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42901#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42900#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42899#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42898#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42896#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42895#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42894#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42893#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42891#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42890#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42889#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42888#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42886#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42885#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42884#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42883#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42881#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42880#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42879#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42878#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42876#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42875#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42874#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42873#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42872#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42869#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42868#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42866#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42802#L562-3 [2022-11-20 12:51:21,548 INFO L750 eck$LassoCheckResult]: Loop: 42802#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42801#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 42802#L562-3 [2022-11-20 12:51:21,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:21,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1801828005, now seen corresponding path program 40 times [2022-11-20 12:51:21,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:51:21,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206586402] [2022-11-20 12:51:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:21,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:51:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 378 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:51:22,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:51:22,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206586402] [2022-11-20 12:51:22,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206586402] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:51:22,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89297614] [2022-11-20 12:51:22,500 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:51:22,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:51:22,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:51:22,501 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:51:22,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89e683c-3781-4f67-85f8-0981d52842a1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (419)] Waiting until timeout for monitored process [2022-11-20 12:51:22,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:51:22,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:51:22,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 12:51:22,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:51:23,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:51:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:51:24,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89297614] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:51:24,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:51:24,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 52 [2022-11-20 12:51:24,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986246082] [2022-11-20 12:51:24,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:51:24,247 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:51:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 40 times [2022-11-20 12:51:24,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:51:24,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722514677] [2022-11-20 12:51:24,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:24,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:51:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:24,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:51:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:24,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:51:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:51:24,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-20 12:51:24,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2022-11-20 12:51:24,290 INFO L87 Difference]: Start difference. First operand 147 states and 180 transitions. cyclomatic complexity: 51 Second operand has 53 states, 52 states have (on average 3.8461538461538463) internal successors, (200), 53 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:25,031 INFO L93 Difference]: Finished difference Result 231 states and 281 transitions. [2022-11-20 12:51:25,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 281 transitions. [2022-11-20 12:51:25,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:51:25,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 154 states and 189 transitions. [2022-11-20 12:51:25,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 12:51:25,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 12:51:25,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 189 transitions. [2022-11-20 12:51:25,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:51:25,034 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 189 transitions. [2022-11-20 12:51:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 189 transitions. [2022-11-20 12:51:25,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2022-11-20 12:51:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.2251655629139073) internal successors, (185), 150 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:51:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2022-11-20 12:51:25,037 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-20 12:51:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-20 12:51:25,037 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-20 12:51:25,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 44 ============ [2022-11-20 12:51:25,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 185 transitions. [2022-11-20 12:51:25,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:51:25,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:51:25,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:51:25,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:51:25,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:51:25,039 INFO L748 eck$LassoCheckResult]: Stem: 44019#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 44020#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 44028#L551 assume !(main_~length~0#1 < 1); 44035#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 44029#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 44030#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44021#L556 assume !(main_~val~0#1 < 0); 44022#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44023#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44036#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44037#L556 assume !(main_~val~0#1 < 0); 44169#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44168#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44167#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44166#L556 assume !(main_~val~0#1 < 0); 44165#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44164#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44163#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44162#L556 assume !(main_~val~0#1 < 0); 44161#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44160#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44159#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44158#L556 assume !(main_~val~0#1 < 0); 44157#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44156#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44155#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44154#L556 assume !(main_~val~0#1 < 0); 44153#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44152#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44151#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44150#L556 assume !(main_~val~0#1 < 0); 44149#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44148#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44147#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44146#L556 assume !(main_~val~0#1 < 0); 44145#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44144#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44143#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44142#L556 assume !(main_~val~0#1 < 0); 44141#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44140#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44139#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44138#L556 assume !(main_~val~0#1 < 0); 44137#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44136#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44135#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44134#L556 assume !(main_~val~0#1 < 0); 44133#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44132#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44131#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44130#L556 assume !(main_~val~0#1 < 0); 44129#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44128#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44127#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44126#L556 assume !(main_~val~0#1 < 0); 44125#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44124#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44123#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44122#L556 assume !(main_~val~0#1 < 0); 44121#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44120#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44119#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44118#L556 assume !(main_~val~0#1 < 0); 44117#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44116#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44115#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44042#L556 assume !(main_~val~0#1 < 0); 44048#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44045#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44041#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 44026#L554-4 main_~j~0#1 := 0; 44027#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44038#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44113#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44112#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44039#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44034#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44040#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44024#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44025#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44110#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44109#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44108#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44107#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44105#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44104#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44103#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44102#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44100#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44099#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44098#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44097#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44095#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44094#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44093#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44092#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44090#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44089#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44088#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44087#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44085#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44084#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44083#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44082#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44080#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44079#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44078#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44077#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44075#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44074#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44073#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44072#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44070#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44069#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44068#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44067#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44065#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44064#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44063#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44062#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44060#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44059#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44058#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44057#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44055#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44054#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44053#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44052#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44051#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44047#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44046#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44043#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44032#L562-3 [2022-11-20 12:51:25,040 INFO L750 eck$LassoCheckResult]: Loop: 44032#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44031#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 44032#L562-3 [2022-11-20 12:51:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1004225122, now seen corresponding path program 41 times [2022-11-20 12:51:25,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:51:25,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679002404] [2022-11-20 12:51:25,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:25,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:51:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:25,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:51:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:25,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:51:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:25,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 41 times [2022-11-20 12:51:25,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:51:25,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159016993] [2022-11-20 12:51:25,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:25,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:51:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:25,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:51:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:25,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:51:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:25,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1307300899, now seen corresponding path program 25 times [2022-11-20 12:51:25,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:51:25,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357267224] [2022-11-20 12:51:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:51:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:25,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:51:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:51:25,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:53:38,537 WARN L233 SmtUtils]: Spent 2.22m on a formula simplification. DAG size of input: 569 DAG size of output: 436 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:53:56,943 WARN L233 SmtUtils]: Spent 17.35s on a formula simplification that was a NOOP. DAG size: 223 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:53:56,948 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:53:56,948 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:53:56,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:53:56,949 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:53:56,949 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:53:56,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:53:56,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:53:56,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:53:56,949 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration44_Lasso [2022-11-20 12:53:56,949 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:53:56,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:53:56,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:53:56,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:53:56,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:53:56,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:53:56,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true