./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS --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 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf --- 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-4e7fbc6 [2022-11-23 03:00:48,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:00:48,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:00:48,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:00:48,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:00:48,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:00:48,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:00:48,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:00:48,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:00:48,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:00:48,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:00:48,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:00:48,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:00:48,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:00:48,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:00:48,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:00:48,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:00:48,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:00:48,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:00:48,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:00:48,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:00:48,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:00:48,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:00:48,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:00:48,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:00:48,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:00:48,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:00:48,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:00:48,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:00:48,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:00:48,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:00:48,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:00:48,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:00:48,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:00:48,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:00:48,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:00:48,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:00:48,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:00:48,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:00:48,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:00:48,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:00:48,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 03:00:48,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:00:48,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:00:48,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:00:48,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:00:48,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:00:48,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:00:48,764 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:00:48,764 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:00:48,764 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:00:48,764 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:00:48,765 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:00:48,766 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:00:48,766 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:00:48,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:00:48,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:00:48,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:00:48,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:00:48,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:00:48,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:00:48,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:00:48,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:00:48,768 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:00:48,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:00:48,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:00:48,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:00:48,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:00:48,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:00:48,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:00:48,772 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:00:48,772 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_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf [2022-11-23 03:00:49,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:00:49,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:00:49,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:00:49,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:00:49,113 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:00:49,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2022-11-23 03:00:52,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:00:52,563 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:00:52,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2022-11-23 03:00:52,576 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/data/fba664699/dc6b0a5c274549d3a717358fb44d9f69/FLAG6b3bb01a8 [2022-11-23 03:00:52,591 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/data/fba664699/dc6b0a5c274549d3a717358fb44d9f69 [2022-11-23 03:00:52,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:00:52,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:00:52,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:00:52,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:00:52,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:00:52,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:52" (1/1) ... [2022-11-23 03:00:52,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fddda42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:52, skipping insertion in model container [2022-11-23 03:00:52,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:52" (1/1) ... [2022-11-23 03:00:52,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:00:52,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:00:53,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:00:53,016 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:00:53,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:00:53,092 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:00:53,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53 WrapperNode [2022-11-23 03:00:53,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:00:53,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:00:53,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:00:53,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:00:53,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,138 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-11-23 03:00:53,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:00:53,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:00:53,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:00:53,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:00:53,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:00:53,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:00:53,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:00:53,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:00:53,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (1/1) ... [2022-11-23 03:00:53,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:53,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:53,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:00:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:00:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:00:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:00:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:00:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:00:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:00:53,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:00:53,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:00:53,695 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:00:53,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:00:53,731 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:00:53,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:53 BoogieIcfgContainer [2022-11-23 03:00:53,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:00:53,735 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:00:53,735 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:00:53,739 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:00:53,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:00:53,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:00:52" (1/3) ... [2022-11-23 03:00:53,741 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@562920a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:00:53, skipping insertion in model container [2022-11-23 03:00:53,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:00:53,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:53" (2/3) ... [2022-11-23 03:00:53,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@562920a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:00:53, skipping insertion in model container [2022-11-23 03:00:53,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:00:53,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:53" (3/3) ... [2022-11-23 03:00:53,744 INFO L332 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2022-11-23 03:00:53,827 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:00:53,828 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:00:53,828 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:00:53,828 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:00:53,828 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:00:53,828 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:00:53,829 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:00:53,829 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:00:53,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:53,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-23 03:00:53,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:00:53,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:00:53,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:00:53,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 03:00:53,885 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:00:53,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:53,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-23 03:00:53,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:00:53,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:00:53,888 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:00:53,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 03:00:53,896 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; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 14#L574true assume !(main_~Alen~0#1 < 1); 8#L574-2true assume !(main_~Blen~0#1 < 1); 12#L577-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 13#L554-2true [2022-11-23 03:00:53,896 INFO L750 eck$LassoCheckResult]: Loop: 13#L554-2true assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 9#L558-2true assume !true; 5#L557-2true assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 6#L564-1true diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 13#L554-2true [2022-11-23 03:00:53,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:53,910 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-23 03:00:53,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:53,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253120776] [2022-11-23 03:00:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:53,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:54,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:54,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:54,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:54,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2022-11-23 03:00:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:54,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080039150] [2022-11-23 03:00:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:54,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:00:54,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:00:54,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080039150] [2022-11-23 03:00:54,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080039150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:54,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:54,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:00:54,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941548340] [2022-11-23 03:00:54,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:54,331 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 03:00:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:00:54,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:00:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:00:54,397 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:00:54,404 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2022-11-23 03:00:54,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-11-23 03:00:54,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-23 03:00:54,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2022-11-23 03:00:54,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-23 03:00:54,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-23 03:00:54,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2022-11-23 03:00:54,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:00:54,412 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-11-23 03:00:54,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2022-11-23 03:00:54,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-23 03:00:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 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) [2022-11-23 03:00:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2022-11-23 03:00:54,439 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-11-23 03:00:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:00:54,451 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-11-23 03:00:54,451 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:00:54,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2022-11-23 03:00:54,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-23 03:00:54,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:00:54,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:00:54,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:00:54,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 03:00:54,455 INFO L748 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 45#L574 assume !(main_~Alen~0#1 < 1); 44#L574-2 assume !(main_~Blen~0#1 < 1); 43#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 42#L554-2 [2022-11-23 03:00:54,455 INFO L750 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 41#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 38#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 39#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 42#L554-2 [2022-11-23 03:00:54,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:54,458 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-23 03:00:54,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:54,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607038321] [2022-11-23 03:00:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:54,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:54,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:54,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:54,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:54,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2022-11-23 03:00:54,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:54,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866281379] [2022-11-23 03:00:54,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:54,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:54,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:54,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2022-11-23 03:00:54,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:54,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398968295] [2022-11-23 03:00:54,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:54,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:00:54,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:00:54,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398968295] [2022-11-23 03:00:54,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398968295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:54,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:54,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:00:54,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901946957] [2022-11-23 03:00:54,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:55,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:00:55,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:00:55,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:00:55,076 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-23 03:00:55,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:00:55,127 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2022-11-23 03:00:55,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2022-11-23 03:00:55,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-23 03:00:55,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2022-11-23 03:00:55,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-23 03:00:55,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-23 03:00:55,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2022-11-23 03:00:55,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:00:55,131 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 18 transitions. [2022-11-23 03:00:55,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2022-11-23 03:00:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-23 03:00:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2022-11-23 03:00:55,134 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2022-11-23 03:00:55,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:00:55,136 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2022-11-23 03:00:55,136 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 03:00:55,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2022-11-23 03:00:55,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:00:55,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:00:55,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:00:55,138 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:00:55,138 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:00:55,138 INFO L748 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 82#L574 assume !(main_~Alen~0#1 < 1); 81#L574-2 assume !(main_~Blen~0#1 < 1); 79#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 78#L554-2 [2022-11-23 03:00:55,139 INFO L750 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 80#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 74#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 75#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 76#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 77#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 78#L554-2 [2022-11-23 03:00:55,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:55,139 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2022-11-23 03:00:55,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:55,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303119958] [2022-11-23 03:00:55,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2022-11-23 03:00:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:55,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890224748] [2022-11-23 03:00:55,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:55,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:00:55,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:00:55,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890224748] [2022-11-23 03:00:55,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890224748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:55,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:55,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:00:55,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713312472] [2022-11-23 03:00:55,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:55,210 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 03:00:55,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:00:55,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:00:55,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:00:55,211 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:00:55,247 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2022-11-23 03:00:55,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2022-11-23 03:00:55,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2022-11-23 03:00:55,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2022-11-23 03:00:55,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 03:00:55,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 03:00:55,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2022-11-23 03:00:55,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:00:55,250 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-23 03:00:55,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2022-11-23 03:00:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2022-11-23 03:00:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2022-11-23 03:00:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-23 03:00:55,252 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 03:00:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:00:55,254 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 03:00:55,254 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 03:00:55,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-23 03:00:55,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-23 03:00:55,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:00:55,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:00:55,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:00:55,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:00:55,256 INFO L748 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 110#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 120#L574 assume !(main_~Alen~0#1 < 1); 119#L574-2 assume !(main_~Blen~0#1 < 1); 117#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 116#L554-2 [2022-11-23 03:00:55,256 INFO L750 eck$LassoCheckResult]: Loop: 116#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 118#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 111#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 112#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 114#L557-2 assume !(0 == diff_~found~0#1); 115#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 116#L554-2 [2022-11-23 03:00:55,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:55,257 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2022-11-23 03:00:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:55,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751921123] [2022-11-23 03:00:55,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:55,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:55,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:55,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2022-11-23 03:00:55,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:55,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685230528] [2022-11-23 03:00:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:55,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2022-11-23 03:00:55,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:55,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523655914] [2022-11-23 03:00:55,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:55,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:55,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:56,864 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:00:56,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:00:56,866 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:00:56,866 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:00:56,873 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:00:56,873 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:56,873 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:00:56,873 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:00:56,873 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2022-11-23 03:00:56,874 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:00:56,874 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:00:56,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:56,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:56,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:56,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,733 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:57,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:00:58,554 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:00:58,558 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:00:58,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 03:00:58,590 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 [2022-11-23 03:00:58,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:00:58,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:00:58,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:00:58,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 03:00:58,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:58,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:00:58,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:00:58,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:00:58,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:58,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 03:00:58,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:00:58,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:00:58,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:58,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:00:58,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:00:58,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 03:00:58,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,795 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 03:00:58,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:58,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:00:58,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:00:58,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:00:58,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 03:00:58,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:58,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:00:58,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:00:58,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:58,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 03:00:58,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:58,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:58,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:58,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:58,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:00:58,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:00:58,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:58,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:58,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:58,985 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:58,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 03:00:58,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:59,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:59,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:59,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:59,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:59,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:00:59,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:00:59,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:00:59,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:59,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:59,061 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:59,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 03:00:59,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:00:59,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:00:59,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:00:59,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:00:59,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:00:59,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:00:59,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:00:59,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:00:59,238 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-23 03:00:59,239 INFO L444 ModelExtractionUtils]: 23 out of 40 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-23 03:00:59,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:00:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:00:59,283 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:00:59,344 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:00:59,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 03:00:59,373 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-23 03:00:59,373 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:00:59,374 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~i~0#1) = -4*ULTIMATE.start_diff_~i~0#1 + 18446744073709551609 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_diff_~A#1.base)_1 + 1*ULTIMATE.start_diff_~A#1.offset + 18446744073709551612 >= 0] [2022-11-23 03:00:59,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:59,481 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-23 03:00:59,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:59,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-23 03:00:59,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:00:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:59,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 03:00:59,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:00:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:00:59,693 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 [2022-11-23 03:00:59,694 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:59,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 30 transitions. Complement of second has 6 states. [2022-11-23 03:00:59,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 03:00:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-23 03:00:59,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2022-11-23 03:00:59,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:00:59,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-23 03:00:59,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:00:59,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 12 letters. [2022-11-23 03:00:59,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:00:59,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2022-11-23 03:00:59,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-23 03:00:59,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2022-11-23 03:00:59,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-23 03:00:59,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-23 03:00:59,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-11-23 03:00:59,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:00:59,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-23 03:00:59,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-11-23 03:00:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-23 03:00:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:00:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2022-11-23 03:00:59,787 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2022-11-23 03:00:59,787 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2022-11-23 03:00:59,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 03:00:59,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2022-11-23 03:00:59,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-23 03:00:59,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:00:59,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:00:59,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:00:59,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 03:00:59,792 INFO L748 eck$LassoCheckResult]: Stem: 267#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 268#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 281#L574 assume !(main_~Alen~0#1 < 1); 280#L574-2 assume !(main_~Blen~0#1 < 1); 277#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 278#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 272#L558-2 [2022-11-23 03:00:59,792 INFO L750 eck$LassoCheckResult]: Loop: 272#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 271#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 272#L558-2 [2022-11-23 03:00:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2022-11-23 03:00:59,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:59,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686150922] [2022-11-23 03:00:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:59,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:59,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:59,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:59,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:59,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2022-11-23 03:00:59,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:59,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100382854] [2022-11-23 03:00:59,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:59,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:59,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:59,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:00:59,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:59,869 INFO L85 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2022-11-23 03:00:59,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:00:59,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236185393] [2022-11-23 03:00:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:00:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:59,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:00:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:00:59,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:01:00,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:01,076 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:01:01,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:01:01,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:01:01,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:01:01,077 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:01:01,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:01,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:01:01,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:01:01,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2022-11-23 03:01:01,077 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:01:01,077 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:01:01,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:01,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:02,807 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:01:02,807 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:01:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:02,818 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 03:01:02,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:02,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:02,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:02,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:02,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:02,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:02,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:02,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:02,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:02,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:02,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:02,856 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:02,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:02,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 03:01:02,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:02,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:02,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:02,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:02,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:02,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:02,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:02,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:02,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:02,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:02,917 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:02,921 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 [2022-11-23 03:01:02,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 03:01:02,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:02,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:02,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:02,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:02,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:02,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:02,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:02,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:02,958 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:02,968 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 [2022-11-23 03:01:02,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:02,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:02,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:02,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:02,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:02,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:02,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 03:01:02,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,004 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,016 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 [2022-11-23 03:01:03,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 03:01:03,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:03,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:03,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:03,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,041 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 03:01:03,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,103 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 03:01:03,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:03,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:03,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:03,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,154 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 03:01:03,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,199 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 03:01:03,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:03,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:03,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:03,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,230 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 03:01:03,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:03,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:03,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:03,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,252 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 03:01:03,255 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 [2022-11-23 03:01:03,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,305 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 03:01:03,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-23 03:01:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,339 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,348 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 [2022-11-23 03:01:03,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 03:01:03,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,399 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,404 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 [2022-11-23 03:01:03,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 03:01:03,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:03,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,418 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 03:01:03,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,419 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 03:01:03,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:03,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,452 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-23 03:01:03,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:03,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,515 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:03,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-23 03:01:03,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:03,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:03,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:03,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:03,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:03,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:03,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:01:03,685 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-23 03:01:03,685 INFO L444 ModelExtractionUtils]: 16 out of 73 variables were initially zero. Simplification set additionally 54 variables to zero. [2022-11-23 03:01:03,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:03,687 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:03,691 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:01:03,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 03:01:03,711 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:01:03,712 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:01:03,712 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2022-11-23 03:01:03,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,785 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-11-23 03:01:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:03,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:01:03,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:03,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:01:03,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:01:03,868 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 [2022-11-23 03:01:03,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:01:03,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 38 states and 53 transitions. Complement of second has 7 states. [2022-11-23 03:01:03,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 03:01:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:01:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-23 03:01:03,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-23 03:01:03,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:03,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-23 03:01:03,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:03,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-23 03:01:03,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:03,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2022-11-23 03:01:03,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-23 03:01:03,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2022-11-23 03:01:03,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-23 03:01:03,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-23 03:01:03,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2022-11-23 03:01:03,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:01:03,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 39 transitions. [2022-11-23 03:01:03,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2022-11-23 03:01:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2022-11-23 03:01:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:01:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-11-23 03:01:03,926 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-23 03:01:03,926 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-23 03:01:03,926 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-23 03:01:03,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2022-11-23 03:01:03,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-23 03:01:03,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:01:03,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:01:03,928 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:01:03,928 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 03:01:03,928 INFO L748 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 429#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 442#L574 assume !(main_~Alen~0#1 < 1); 441#L574-2 assume !(main_~Blen~0#1 < 1); 436#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 437#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 439#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 432#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 433#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 434#L557-2 assume !(0 == diff_~found~0#1); 435#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 438#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 431#L558-2 [2022-11-23 03:01:03,928 INFO L750 eck$LassoCheckResult]: Loop: 431#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 430#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 431#L558-2 [2022-11-23 03:01:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2022-11-23 03:01:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:01:03,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490511469] [2022-11-23 03:01:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:01:03,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:01:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:01:03,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:01:03,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:01:04,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:01:04,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:04,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2022-11-23 03:01:04,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:01:04,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695060542] [2022-11-23 03:01:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:01:04,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:01:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:01:04,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:01:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:01:04,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:01:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:04,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2022-11-23 03:01:04,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:01:04,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020138785] [2022-11-23 03:01:04,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:01:04,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:01:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:01:04,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:01:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:01:04,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:01:05,452 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:01:05,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:01:05,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:01:05,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:01:05,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:01:05,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:05,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:01:05,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:01:05,453 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration6_Lasso [2022-11-23 03:01:05,453 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:01:05,453 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:01:05,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:05,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,338 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:06,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:01:07,334 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:01:07,334 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:01:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,339 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 03:01:07,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-23 03:01:07,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,374 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 03:01:07,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-23 03:01:07,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,395 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,404 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 [2022-11-23 03:01:07,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 03:01:07,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:07,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:07,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:07,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,424 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 03:01:07,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,459 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:07,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:07,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:07,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-23 03:01:07,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,501 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-23 03:01:07,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:07,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:07,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:07,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,521 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-23 03:01:07,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:07,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:07,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:07,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,541 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-23 03:01:07,543 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 [2022-11-23 03:01:07,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-23 03:01:07,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,568 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-23 03:01:07,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,621 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,628 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 [2022-11-23 03:01:07,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:01:07,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:01:07,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:01:07,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-23 03:01:07,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,670 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-23 03:01:07,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,694 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-23 03:01:07,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:01:07,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-23 03:01:07,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,723 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-23 03:01:07,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:01:07,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:01:07,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:01:07,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:01:07,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:01:07,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:01:07,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:01:07,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:01:07,921 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2022-11-23 03:01:07,921 INFO L444 ModelExtractionUtils]: 14 out of 67 variables were initially zero. Simplification set additionally 50 variables to zero. [2022-11-23 03:01:07,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:01:07,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:01:07,922 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:01:07,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-23 03:01:07,925 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:01:07,936 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:01:07,936 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:01:07,936 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2022-11-23 03:01:07,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-23 03:01:08,023 INFO L156 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2022-11-23 03:01:08,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:08,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:01:08,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:08,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:01:08,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:01:08,103 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 [2022-11-23 03:01:08,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-23 03:01:08,119 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 36 states and 51 transitions. Complement of second has 7 states. [2022-11-23 03:01:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 03:01:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-23 03:01:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-23 03:01:08,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-23 03:01:08,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:08,121 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:01:08,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:08,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:01:08,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:08,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:01:08,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:01:08,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-23 03:01:08,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-23 03:01:08,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 36 states and 51 transitions. Complement of second has 7 states. [2022-11-23 03:01:08,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 03:01:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-23 03:01:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-23 03:01:08,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-23 03:01:08,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:08,239 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:01:08,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:08,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:01:08,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:01:08,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:01:08,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:01:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:01:08,312 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-23 03:01:08,312 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-23 03:01:08,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 34 states and 51 transitions. Complement of second has 6 states. [2022-11-23 03:01:08,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 03:01:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-23 03:01:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2022-11-23 03:01:08,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-23 03:01:08,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:08,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-23 03:01:08,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:08,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-23 03:01:08,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:01:08,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 51 transitions. [2022-11-23 03:01:08,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:01:08,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2022-11-23 03:01:08,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 03:01:08,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 03:01:08,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 03:01:08,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:01:08,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:01:08,335 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:01:08,335 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:01:08,335 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-23 03:01:08,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:01:08,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:01:08,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 03:01:08,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:01:08 BoogieIcfgContainer [2022-11-23 03:01:08,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:01:08,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:01:08,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:01:08,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:01:08,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:53" (3/4) ... [2022-11-23 03:01:08,345 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:01:08,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:01:08,346 INFO L158 Benchmark]: Toolchain (without parser) took 15750.41ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 109.8MB in the beginning and 76.8MB in the end (delta: 33.0MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2022-11-23 03:01:08,346 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:01:08,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.00ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 93.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:01:08,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 159.4MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:01:08,347 INFO L158 Benchmark]: Boogie Preprocessor took 55.61ms. Allocated memory is still 159.4MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:01:08,347 INFO L158 Benchmark]: RCFGBuilder took 538.51ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 77.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:01:08,347 INFO L158 Benchmark]: BuchiAutomizer took 14607.48ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 77.1MB in the beginning and 76.8MB in the end (delta: 303.8kB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2022-11-23 03:01:08,347 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 201.3MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:01:08,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.00ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 93.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 159.4MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.61ms. Allocated memory is still 159.4MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.51ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 77.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14607.48ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 77.1MB in the beginning and 76.8MB in the end (delta: 303.8kB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 201.3MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 18446744073709551609 + -4 * i and consists of 4 locations. One deterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. One nondeterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 13.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 113 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital271 mio100 ax106 hnf100 lsp84 ukn94 mio100 lsp53 div146 bol100 ite100 ukn100 eq168 hnf92 smp79 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-23 03:01:08,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:08,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3163b8-7c38-4bb9-bc1b-f076f985c36d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE