./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/lis-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/lis-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y --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 32bit --witnessprinter.graph.data.programhash 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:32:29,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:32:29,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:32:29,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:32:29,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:32:29,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:32:29,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:32:29,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:32:29,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:32:29,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:32:29,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:32:29,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:32:29,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:32:29,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:32:29,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:32:29,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:32:29,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:32:29,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:32:29,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:32:29,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:32:29,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:32:29,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:32:29,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:32:29,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:32:29,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:32:29,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:32:29,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:32:29,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:32:29,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:32:29,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:32:29,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:32:29,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:32:29,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:32:29,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:32:29,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:32:29,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:32:29,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:32:29,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:32:29,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:32:29,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:32:29,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:32:29,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 17:32:29,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:32:29,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:32:29,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:32:29,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:32:29,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:32:29,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:32:29,605 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:32:29,606 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 17:32:29,606 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 17:32:29,606 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 17:32:29,607 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 17:32:29,607 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 17:32:29,607 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 17:32:29,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:32:29,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:32:29,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:32:29,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:32:29,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:32:29,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:32:29,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 17:32:29,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 17:32:29,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 17:32:29,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:32:29,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:32:29,614 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 17:32:29,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:32:29,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 17:32:29,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:32:29,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:32:29,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:32:29,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:32:29,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:32:29,619 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 17:32:29,620 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_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf [2021-11-13 17:32:29,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:32:29,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:32:29,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:32:29,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:32:29,881 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:32:29,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2021-11-13 17:32:29,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/data/9e23561b4/be237acabb3d4efaaa28573f5155de86/FLAGdb0dc76a1 [2021-11-13 17:32:30,443 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:32:30,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2021-11-13 17:32:30,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/data/9e23561b4/be237acabb3d4efaaa28573f5155de86/FLAGdb0dc76a1 [2021-11-13 17:32:30,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/data/9e23561b4/be237acabb3d4efaaa28573f5155de86 [2021-11-13 17:32:30,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:32:30,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:32:30,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:32:30,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:32:30,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:32:30,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:32:30" (1/1) ... [2021-11-13 17:32:30,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e00e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:30, skipping insertion in model container [2021-11-13 17:32:30,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:32:30" (1/1) ... [2021-11-13 17:32:30,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:32:30,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:32:31,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:32:31,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:32:31,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:32:31,220 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:32:31,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31 WrapperNode [2021-11-13 17:32:31,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:32:31,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:32:31,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:32:31,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:32:31,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:32:31,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:32:31,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:32:31,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:32:31,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:32:31,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:32:31,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:32:31,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:32:31,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (1/1) ... [2021-11-13 17:32:31,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:31,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:31,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:31,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 17:32:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:32:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:32:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:32:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:32:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:32:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:32:31,726 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:32:31,726 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 17:32:31,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:32:31 BoogieIcfgContainer [2021-11-13 17:32:31,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:32:31,729 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 17:32:31,729 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 17:32:31,756 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 17:32:31,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:32:31,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:32:30" (1/3) ... [2021-11-13 17:32:31,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ea84e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:32:31, skipping insertion in model container [2021-11-13 17:32:31,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:32:31,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:32:31" (2/3) ... [2021-11-13 17:32:31,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ea84e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:32:31, skipping insertion in model container [2021-11-13 17:32:31,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:32:31,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:32:31" (3/3) ... [2021-11-13 17:32:31,761 INFO L388 chiAutomizerObserver]: Analyzing ICFG lis-alloca-1.i [2021-11-13 17:32:31,840 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 17:32:31,840 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 17:32:31,841 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 17:32:31,841 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 17:32:31,841 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 17:32:31,841 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 17:32:31,841 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 17:32:31,842 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 17:32:31,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:31,897 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2021-11-13 17:32:31,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:31,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:31,904 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 17:32:31,905 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:31,905 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 17:32:31,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:31,911 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2021-11-13 17:32:31,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:31,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:31,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 17:32:31,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:31,920 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 11#L530true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 7#L530-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 4#L535-3true [2021-11-13 17:32:31,920 INFO L793 eck$LassoCheckResult]: Loop: 4#L535-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 17#L535-2true main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 4#L535-3true [2021-11-13 17:32:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:31,933 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-13 17:32:31,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:31,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950272790] [2021-11-13 17:32:31,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:31,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:32,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:32,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:32,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:32,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-11-13 17:32:32,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:32,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746462367] [2021-11-13 17:32:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:32,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:32,117 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:32,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-11-13 17:32:32,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:32,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252512506] [2021-11-13 17:32:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:32,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:32,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:32,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:32,473 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:32:32,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:32:32,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:32:32,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:32:32,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:32:32,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:32,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:32:32,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:32:32,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration1_Lasso [2021-11-13 17:32:32,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:32:32,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:32:32,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:32,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:32:32,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:32:32,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:32,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:32,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:32,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:32,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:32,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:32,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:32,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:32,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:32,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:32,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 17:32:32,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 17:32:33,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:33,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:33,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-13 17:32:33,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 17:32:33,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:33,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:33,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,180 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 17:32:33,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:33,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:33,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:33,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:33,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:33,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 17:32:33,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 17:32:33,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:33,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:33,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,403 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:33,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:33,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:33,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 17:32:33,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,474 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:33,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:33,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:33,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 17:32:33,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 17:32:33,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:33,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:33,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,606 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 17:32:33,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:33,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:33,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:33,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:33,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:33,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,654 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 17:32:33,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:33,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:33,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:33,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:33,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:33,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:33,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:33,715 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:32:33,779 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-11-13 17:32:33,779 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-11-13 17:32:33,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:33,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:33,800 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 17:32:33,804 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:32:33,853 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-13 17:32:33,853 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:32:33,854 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2021-11-13 17:32:33,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-13 17:32:33,902 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-11-13 17:32:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:33,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:32:33,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:34,014 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:32:34,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:34,123 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-13 17:32:34,124 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-11-13 17:32:34,227 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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) Result 47 states and 74 transitions. Complement of second has 9 states. [2021-11-13 17:32:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 17:32:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-11-13 17:32:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2021-11-13 17:32:34,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-13 17:32:34,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:34,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-13 17:32:34,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:34,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2021-11-13 17:32:34,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:34,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 74 transitions. [2021-11-13 17:32:34,260 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-13 17:32:34,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 21 states and 33 transitions. [2021-11-13 17:32:34,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-13 17:32:34,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-13 17:32:34,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 33 transitions. [2021-11-13 17:32:34,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:34,271 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2021-11-13 17:32:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 33 transitions. [2021-11-13 17:32:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-13 17:32:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 33 transitions. [2021-11-13 17:32:34,306 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2021-11-13 17:32:34,306 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2021-11-13 17:32:34,306 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 17:32:34,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 33 transitions. [2021-11-13 17:32:34,309 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-13 17:32:34,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:34,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:34,310 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 17:32:34,310 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:34,310 INFO L791 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 155#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 151#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 142#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 144#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 157#L517-3 [2021-11-13 17:32:34,311 INFO L793 eck$LassoCheckResult]: Loop: 157#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 156#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 157#L517-3 [2021-11-13 17:32:34,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:34,317 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-11-13 17:32:34,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:34,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107405095] [2021-11-13 17:32:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:34,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:34,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:34,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107405095] [2021-11-13 17:32:34,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107405095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:34,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:34,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:34,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449898173] [2021-11-13 17:32:34,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:34,440 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:34,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:34,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2021-11-13 17:32:34,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:34,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103201948] [2021-11-13 17:32:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:34,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,451 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:34,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:34,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:34,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:34,601 INFO L87 Difference]: Start difference. First operand 21 states and 33 transitions. cyclomatic complexity: 16 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) [2021-11-13 17:32:34,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:34,637 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2021-11-13 17:32:34,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:32:34,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-11-13 17:32:34,644 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-13 17:32:34,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2021-11-13 17:32:34,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-13 17:32:34,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-13 17:32:34,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2021-11-13 17:32:34,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:34,653 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-11-13 17:32:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2021-11-13 17:32:34,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-11-13 17:32:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 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) [2021-11-13 17:32:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2021-11-13 17:32:34,657 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-11-13 17:32:34,657 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-11-13 17:32:34,657 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 17:32:34,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2021-11-13 17:32:34,658 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-13 17:32:34,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:34,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:34,659 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:34,659 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:34,659 INFO L791 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 205#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 201#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 192#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 193#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 194#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 195#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 207#L517-3 [2021-11-13 17:32:34,660 INFO L793 eck$LassoCheckResult]: Loop: 207#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 206#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 207#L517-3 [2021-11-13 17:32:34,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-11-13 17:32:34,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:34,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585076183] [2021-11-13 17:32:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:34,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,704 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:34,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:34,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2021-11-13 17:32:34,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:34,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378180740] [2021-11-13 17:32:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:34,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,762 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,773 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:34,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2021-11-13 17:32:34,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:34,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711460578] [2021-11-13 17:32:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:34,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,824 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:34,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:35,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:35,717 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:32:35,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:32:35,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:32:35,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:32:35,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:32:35,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:35,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:32:35,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:32:35,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration3_Lasso [2021-11-13 17:32:35,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:32:35,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:32:35,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:35,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:36,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:36,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:36,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:32:36,805 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:32:36,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:36,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:36,811 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:36,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:36,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:36,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:36,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:36,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:36,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:36,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:36,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:36,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 17:32:36,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:36,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:36,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:36,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:36,876 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:36,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:36,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:36,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:36,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:36,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:36,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:36,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:36,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:36,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 17:32:36,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:36,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:36,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:36,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:36,953 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:36,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:36,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:36,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:36,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:36,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:36,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:36,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:36,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:36,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 17:32:36,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,014 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 17:32:37,016 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 [2021-11-13 17:32:37,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,053 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 17:32:37,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,086 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 17:32:37,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:37,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:37,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,166 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 17:32:37,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,230 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 17:32:37,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:37,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:37,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,267 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 17:32:37,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,301 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 17:32:37,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-13 17:32:37,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,334 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 17:32:37,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,368 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 17:32:37,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,405 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 17:32:37,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:37,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:37,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-13 17:32:37,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,485 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 17:32:37,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,558 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 17:32:37,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,615 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 17:32:37,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:37,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:37,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,694 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 17:32:37,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,739 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 17:32:37,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,773 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 17:32:37,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:37,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:37,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,852 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 17:32:37,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:37,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,922 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 17:32:37,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-13 17:32:37,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:37,965 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:37,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 17:32:37,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:37,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:37,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:37,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:37,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:37,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:37,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:37,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:37,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:37,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-13 17:32:37,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:37,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,008 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 17:32:38,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:38,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:38,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:38,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:38,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,071 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-13 17:32:38,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:38,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,168 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 17:32:38,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:38,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,235 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:38,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:38,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:38,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-13 17:32:38,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:38,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,311 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-13 17:32:38,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:38,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,389 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-13 17:32:38,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-13 17:32:38,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,441 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-13 17:32:38,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-13 17:32:38,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,480 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-13 17:32:38,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:38,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,521 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-13 17:32:38,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:38,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:38,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:38,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:38,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-13 17:32:38,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,551 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:38,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-13 17:32:38,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:38,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:38,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:38,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:38,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:38,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:38,608 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:32:38,642 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-13 17:32:38,642 INFO L444 ModelExtractionUtils]: 47 out of 61 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-11-13 17:32:38,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:38,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:38,644 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:38,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:32:38,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-13 17:32:38,685 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:32:38,685 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:32:38,685 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~N#1, ULTIMATE.start_lis_~i~0#1) = 1*ULTIMATE.start_lis_~N#1 - 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-11-13 17:32:38,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-13 17:32:38,790 INFO L297 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2021-11-13 17:32:38,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:32:38,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:32:38,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:38,877 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:32:38,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:38,903 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 24 states and 35 transitions. Complement of second has 7 states. [2021-11-13 17:32:38,903 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 [2021-11-13 17:32:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-13 17:32:38,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-13 17:32:38,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:38,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-13 17:32:38,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:38,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-13 17:32:38,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:38,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2021-11-13 17:32:38,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 17:32:38,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 31 transitions. [2021-11-13 17:32:38,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-13 17:32:38,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-13 17:32:38,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2021-11-13 17:32:38,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:38,914 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-11-13 17:32:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2021-11-13 17:32:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-13 17:32:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2021-11-13 17:32:38,919 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-11-13 17:32:38,919 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-11-13 17:32:38,919 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 17:32:38,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2021-11-13 17:32:38,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 17:32:38,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:38,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:38,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:38,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:32:38,924 INFO L791 eck$LassoCheckResult]: Stem: 379#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 380#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 388#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 384#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 375#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 376#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 377#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 378#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 395#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 396#L517-4 lis_~i~0#1 := 1; 387#L519-3 [2021-11-13 17:32:38,924 INFO L793 eck$LassoCheckResult]: Loop: 387#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 381#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 382#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 387#L519-3 [2021-11-13 17:32:38,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:38,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811625, now seen corresponding path program 1 times [2021-11-13 17:32:38,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:38,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036822328] [2021-11-13 17:32:38,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:38,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:39,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:39,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036822328] [2021-11-13 17:32:39,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036822328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:39,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:39,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:39,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230062595] [2021-11-13 17:32:39,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:39,015 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:39,015 INFO L85 PathProgramCache]: Analyzing trace with hash 74687, now seen corresponding path program 1 times [2021-11-13 17:32:39,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:39,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299381298] [2021-11-13 17:32:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:39,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:39,026 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:39,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:39,050 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:32:39,051 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:32:39,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:32:39,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:32:39,051 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 17:32:39,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:39,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:32:39,051 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:32:39,052 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration4_Loop [2021-11-13 17:32:39,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:32:39,052 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:32:39,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,113 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:32:39,114 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 17:32:39,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:39,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:39,117 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:39,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:32:39,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:32:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-13 17:32:39,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:39,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:39,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:39,186 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:39,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-13 17:32:39,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 17:32:39,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:32:39,350 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 17:32:39,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:39,353 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:32:39,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:32:39,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:32:39,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:32:39,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:32:39,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:39,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:32:39,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:32:39,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration4_Loop [2021-11-13 17:32:39,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:32:39,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:32:39,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:39,420 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:32:39,420 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:32:39,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:39,421 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:39,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:39,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:39,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:39,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:39,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:39,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:39,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:39,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:39,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-13 17:32:39,460 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:32:39,465 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 17:32:39,465 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 17:32:39,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:39,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:39,467 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:39,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:32:39,470 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 17:32:39,470 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:32:39,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~i~0#1 + 1 Supporting invariants [] [2021-11-13 17:32:39,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-13 17:32:39,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:39,505 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 17:32:39,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:32:39,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,581 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:32:39,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:39,634 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-13 17:32:39,634 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 31 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:39,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 31 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 67 transitions. Complement of second has 9 states. [2021-11-13 17:32:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-13 17:32:39,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-11-13 17:32:39,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 3 letters. [2021-11-13 17:32:39,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:39,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 13 letters. Loop has 3 letters. [2021-11-13 17:32:39,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:39,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 6 letters. [2021-11-13 17:32:39,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:39,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 67 transitions. [2021-11-13 17:32:39,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-11-13 17:32:39,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 62 transitions. [2021-11-13 17:32:39,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-13 17:32:39,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-13 17:32:39,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 62 transitions. [2021-11-13 17:32:39,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:39,709 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 62 transitions. [2021-11-13 17:32:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 62 transitions. [2021-11-13 17:32:39,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33. [2021-11-13 17:32:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 32 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 50 transitions. [2021-11-13 17:32:39,712 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 50 transitions. [2021-11-13 17:32:39,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:39,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:39,713 INFO L87 Difference]: Start difference. First operand 33 states and 50 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:39,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:39,753 INFO L93 Difference]: Finished difference Result 34 states and 50 transitions. [2021-11-13 17:32:39,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:32:39,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 50 transitions. [2021-11-13 17:32:39,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:39,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 50 transitions. [2021-11-13 17:32:39,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-13 17:32:39,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-13 17:32:39,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 50 transitions. [2021-11-13 17:32:39,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:39,757 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 50 transitions. [2021-11-13 17:32:39,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 50 transitions. [2021-11-13 17:32:39,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-11-13 17:32:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 49 transitions. [2021-11-13 17:32:39,760 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 49 transitions. [2021-11-13 17:32:39,760 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 49 transitions. [2021-11-13 17:32:39,760 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-13 17:32:39,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 49 transitions. [2021-11-13 17:32:39,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:39,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:39,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:39,792 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:39,792 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:39,792 INFO L791 eck$LassoCheckResult]: Stem: 581#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 582#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 596#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 588#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 577#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 578#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 579#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 580#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 605#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 597#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 598#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 606#L517-4 lis_~i~0#1 := 1; 607#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 583#L520-3 [2021-11-13 17:32:39,793 INFO L793 eck$LassoCheckResult]: Loop: 583#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 584#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 589#L521-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 590#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 601#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 593#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 594#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 583#L520-3 [2021-11-13 17:32:39,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:39,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1792663252, now seen corresponding path program 1 times [2021-11-13 17:32:39,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:39,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670295566] [2021-11-13 17:32:39,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:39,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:39,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-13 17:32:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:39,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:39,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670295566] [2021-11-13 17:32:39,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670295566] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:39,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869212515] [2021-11-13 17:32:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:39,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:39,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:39,865 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:39,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-13 17:32:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:32:39,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:39,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:40,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869212515] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:40,031 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:40,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 10 [2021-11-13 17:32:40,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270039235] [2021-11-13 17:32:40,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:40,032 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:40,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:40,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1094746892, now seen corresponding path program 1 times [2021-11-13 17:32:40,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:40,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427299303] [2021-11-13 17:32:40,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:40,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:40,053 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:40,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:40,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 17:32:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:32:40,293 INFO L87 Difference]: Start difference. First operand 33 states and 49 transitions. cyclomatic complexity: 21 Second operand has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:40,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:40,510 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2021-11-13 17:32:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 17:32:40,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 109 transitions. [2021-11-13 17:32:40,513 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:32:40,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 58 states and 81 transitions. [2021-11-13 17:32:40,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-11-13 17:32:40,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-11-13 17:32:40,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 81 transitions. [2021-11-13 17:32:40,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:40,515 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-11-13 17:32:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 81 transitions. [2021-11-13 17:32:40,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 37. [2021-11-13 17:32:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 36 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2021-11-13 17:32:40,519 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 51 transitions. [2021-11-13 17:32:40,519 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 51 transitions. [2021-11-13 17:32:40,519 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-13 17:32:40,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 51 transitions. [2021-11-13 17:32:40,520 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:40,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:40,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:40,521 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:40,521 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:40,522 INFO L791 eck$LassoCheckResult]: Stem: 793#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 794#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 808#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 800#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 789#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 790#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 791#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 792#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 822#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 817#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 818#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 809#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 810#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 821#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 823#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 819#L517-4 lis_~i~0#1 := 1; 811#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 795#L520-3 [2021-11-13 17:32:40,522 INFO L793 eck$LassoCheckResult]: Loop: 795#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 796#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 801#L521-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 802#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 813#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 805#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 806#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 795#L520-3 [2021-11-13 17:32:40,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:40,522 INFO L85 PathProgramCache]: Analyzing trace with hash 37388752, now seen corresponding path program 2 times [2021-11-13 17:32:40,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:40,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325308171] [2021-11-13 17:32:40,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:40,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:40,544 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:40,571 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:40,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:40,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1094746892, now seen corresponding path program 2 times [2021-11-13 17:32:40,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:40,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264586343] [2021-11-13 17:32:40,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:40,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:40,579 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:40,587 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:40,588 INFO L85 PathProgramCache]: Analyzing trace with hash 502604869, now seen corresponding path program 1 times [2021-11-13 17:32:40,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:40,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142672215] [2021-11-13 17:32:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:40,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 17:32:40,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:40,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142672215] [2021-11-13 17:32:40,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142672215] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:40,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355151922] [2021-11-13 17:32:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:40,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:40,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:40,672 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:40,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2021-11-13 17:32:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:40,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:32:40,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 17:32:40,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 17:32:40,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355151922] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:40,925 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:40,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2021-11-13 17:32:40,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299473675] [2021-11-13 17:32:40,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:41,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:41,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 17:32:41,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-13 17:32:41,111 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. cyclomatic complexity: 19 Second operand has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:41,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:41,281 INFO L93 Difference]: Finished difference Result 68 states and 92 transitions. [2021-11-13 17:32:41,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:32:41,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 92 transitions. [2021-11-13 17:32:41,283 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2021-11-13 17:32:41,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 62 states and 83 transitions. [2021-11-13 17:32:41,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-11-13 17:32:41,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-11-13 17:32:41,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 83 transitions. [2021-11-13 17:32:41,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:41,289 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-11-13 17:32:41,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 83 transitions. [2021-11-13 17:32:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2021-11-13 17:32:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-11-13 17:32:41,301 INFO L704 BuchiCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-11-13 17:32:41,301 INFO L587 BuchiCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-11-13 17:32:41,301 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-13 17:32:41,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 75 transitions. [2021-11-13 17:32:41,303 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:32:41,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:41,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:41,305 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:41,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:32:41,305 INFO L791 eck$LassoCheckResult]: Stem: 1064#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1065#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1079#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1071#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 1060#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1061#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1062#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1063#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1108#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1090#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1091#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1080#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1081#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1094#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1098#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 1092#L517-4 lis_~i~0#1 := 1; 1093#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1102#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1086#L521 [2021-11-13 17:32:41,305 INFO L793 eck$LassoCheckResult]: Loop: 1086#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1072#L521-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1073#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1085#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1086#L521 [2021-11-13 17:32:41,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:41,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1159051365, now seen corresponding path program 1 times [2021-11-13 17:32:41,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:41,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262076009] [2021-11-13 17:32:41,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:41,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:41,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:41,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2655420, now seen corresponding path program 1 times [2021-11-13 17:32:41,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:41,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835096853] [2021-11-13 17:32:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:41,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:41,367 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:41,380 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:41,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:41,381 INFO L85 PathProgramCache]: Analyzing trace with hash -651990240, now seen corresponding path program 1 times [2021-11-13 17:32:41,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:41,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694087505] [2021-11-13 17:32:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:41,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 17:32:41,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:41,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694087505] [2021-11-13 17:32:41,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694087505] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:41,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152532816] [2021-11-13 17:32:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:41,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:41,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:41,460 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:41,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-11-13 17:32:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:41,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:32:41,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 17:32:41,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:32:41,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152532816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:41,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:32:41,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-11-13 17:32:41,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055167156] [2021-11-13 17:32:41,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:41,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:32:41,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:32:41,791 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. cyclomatic complexity: 27 Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:41,845 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2021-11-13 17:32:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:32:41,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2021-11-13 17:32:41,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:41,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 72 states and 97 transitions. [2021-11-13 17:32:41,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-11-13 17:32:41,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-11-13 17:32:41,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 97 transitions. [2021-11-13 17:32:41,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:41,848 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 97 transitions. [2021-11-13 17:32:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 97 transitions. [2021-11-13 17:32:41,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 64. [2021-11-13 17:32:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.375) internal successors, (88), 63 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 88 transitions. [2021-11-13 17:32:41,858 INFO L704 BuchiCegarLoop]: Abstraction has 64 states and 88 transitions. [2021-11-13 17:32:41,859 INFO L587 BuchiCegarLoop]: Abstraction has 64 states and 88 transitions. [2021-11-13 17:32:41,859 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-13 17:32:41,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 88 transitions. [2021-11-13 17:32:41,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:41,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:41,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:41,862 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:41,863 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:32:41,863 INFO L791 eck$LassoCheckResult]: Stem: 1267#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1268#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1282#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1274#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 1263#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1264#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1265#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1266#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1312#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1299#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1300#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1303#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1304#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1283#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1284#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 1301#L517-4 lis_~i~0#1 := 1; 1285#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1286#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1325#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1307#L519-3 assume !(lis_~i~0#1 < lis_~N#1); 1302#L519-4 lis_~i~0#1 := 0; 1296#L523-3 [2021-11-13 17:32:41,863 INFO L793 eck$LassoCheckResult]: Loop: 1296#L523-3 assume !!(lis_~i~0#1 < lis_~N#1);call lis_#t~mem14#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4); 1297#L524 assume lis_~max~0#1 < lis_#t~mem14#1;havoc lis_#t~mem14#1;call lis_#t~mem15#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);lis_~max~0#1 := lis_#t~mem15#1;havoc lis_#t~mem15#1; 1298#L523-2 lis_#t~post13#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post13#1;havoc lis_#t~post13#1; 1296#L523-3 [2021-11-13 17:32:41,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:41,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2057131266, now seen corresponding path program 1 times [2021-11-13 17:32:41,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:41,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063892127] [2021-11-13 17:32:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:41,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 17:32:41,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:41,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063892127] [2021-11-13 17:32:41,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063892127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:41,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:41,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:41,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619959222] [2021-11-13 17:32:41,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:41,925 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:41,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:41,925 INFO L85 PathProgramCache]: Analyzing trace with hash 111317, now seen corresponding path program 1 times [2021-11-13 17:32:41,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:41,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229788342] [2021-11-13 17:32:41,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:41,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:41,932 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:41,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:41,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:41,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:41,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:41,981 INFO L87 Difference]: Start difference. First operand 64 states and 88 transitions. cyclomatic complexity: 30 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:42,017 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2021-11-13 17:32:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:32:42,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 89 transitions. [2021-11-13 17:32:42,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:42,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 66 states and 88 transitions. [2021-11-13 17:32:42,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-11-13 17:32:42,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2021-11-13 17:32:42,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 88 transitions. [2021-11-13 17:32:42,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:42,021 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 88 transitions. [2021-11-13 17:32:42,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 88 transitions. [2021-11-13 17:32:42,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-11-13 17:32:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.34375) internal successors, (86), 63 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2021-11-13 17:32:42,029 INFO L704 BuchiCegarLoop]: Abstraction has 64 states and 86 transitions. [2021-11-13 17:32:42,029 INFO L587 BuchiCegarLoop]: Abstraction has 64 states and 86 transitions. [2021-11-13 17:32:42,029 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-13 17:32:42,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 86 transitions. [2021-11-13 17:32:42,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-13 17:32:42,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:42,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:42,031 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:42,031 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:42,031 INFO L791 eck$LassoCheckResult]: Stem: 1405#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1418#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1411#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 1401#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1402#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1403#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1404#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1455#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1451#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1450#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1452#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1436#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1419#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1420#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1449#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1448#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 1447#L517-4 lis_~i~0#1 := 1; 1445#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1446#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1426#L521 assume !lis_#t~short11#1; 1412#L521-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1413#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1407#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1408#L519-2 [2021-11-13 17:32:42,031 INFO L793 eck$LassoCheckResult]: Loop: 1408#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1416#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1440#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1457#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1459#L521-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1458#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1456#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1408#L519-2 [2021-11-13 17:32:42,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:42,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1034472260, now seen corresponding path program 1 times [2021-11-13 17:32:42,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:42,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014290522] [2021-11-13 17:32:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:42,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 17:32:42,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:42,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014290522] [2021-11-13 17:32:42,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014290522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:42,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:42,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:32:42,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050587492] [2021-11-13 17:32:42,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:42,059 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:42,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:42,060 INFO L85 PathProgramCache]: Analyzing trace with hash 782548870, now seen corresponding path program 3 times [2021-11-13 17:32:42,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:42,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860334809] [2021-11-13 17:32:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:42,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:42,065 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:42,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:42,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:42,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:32:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:32:42,254 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-13 17:32:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:42,266 INFO L93 Difference]: Finished difference Result 69 states and 91 transitions. [2021-11-13 17:32:42,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:32:42,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 91 transitions. [2021-11-13 17:32:42,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-13 17:32:42,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 91 transitions. [2021-11-13 17:32:42,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-11-13 17:32:42,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-11-13 17:32:42,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 91 transitions. [2021-11-13 17:32:42,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:42,269 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 91 transitions. [2021-11-13 17:32:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 91 transitions. [2021-11-13 17:32:42,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-13 17:32:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.318840579710145) internal successors, (91), 68 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2021-11-13 17:32:42,273 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 91 transitions. [2021-11-13 17:32:42,273 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 91 transitions. [2021-11-13 17:32:42,273 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-13 17:32:42,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 91 transitions. [2021-11-13 17:32:42,274 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-13 17:32:42,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:42,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:42,275 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:42,275 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:42,275 INFO L791 eck$LassoCheckResult]: Stem: 1544#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1545#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1559#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1550#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 1540#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1541#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1542#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1543#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1582#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1583#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1604#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1603#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1602#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1601#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1599#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1598#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1597#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 1594#L517-4 lis_~i~0#1 := 1; 1591#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1592#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1608#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1606#L521-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1605#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1590#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1589#L519-2 [2021-11-13 17:32:42,275 INFO L793 eck$LassoCheckResult]: Loop: 1589#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1588#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1546#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1547#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1568#L521-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1552#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1562#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1589#L519-2 [2021-11-13 17:32:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:42,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1034531842, now seen corresponding path program 1 times [2021-11-13 17:32:42,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:42,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244252550] [2021-11-13 17:32:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:42,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:42,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:42,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244252550] [2021-11-13 17:32:42,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244252550] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:42,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975927615] [2021-11-13 17:32:42,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:42,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:42,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:42,365 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:42,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-11-13 17:32:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:42,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 17:32:42,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:42,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:32:42,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975927615] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:42,611 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:42,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-13 17:32:42,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176780877] [2021-11-13 17:32:42,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:42,612 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:42,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:42,612 INFO L85 PathProgramCache]: Analyzing trace with hash 782548870, now seen corresponding path program 4 times [2021-11-13 17:32:42,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:42,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474613575] [2021-11-13 17:32:42,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:42,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:42,618 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:42,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:42,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:42,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 17:32:42,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-11-13 17:32:42,825 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. cyclomatic complexity: 28 Second operand has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:43,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:43,058 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2021-11-13 17:32:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:32:43,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 99 transitions. [2021-11-13 17:32:43,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:32:43,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 76 states and 99 transitions. [2021-11-13 17:32:43,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2021-11-13 17:32:43,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-11-13 17:32:43,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 99 transitions. [2021-11-13 17:32:43,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:32:43,060 INFO L681 BuchiCegarLoop]: Abstraction has 76 states and 99 transitions. [2021-11-13 17:32:43,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 99 transitions. [2021-11-13 17:32:43,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 71. [2021-11-13 17:32:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 70 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2021-11-13 17:32:43,064 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 93 transitions. [2021-11-13 17:32:43,064 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 93 transitions. [2021-11-13 17:32:43,064 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-13 17:32:43,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 93 transitions. [2021-11-13 17:32:43,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-13 17:32:43,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:43,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:43,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:43,065 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:32:43,066 INFO L791 eck$LassoCheckResult]: Stem: 1856#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1857#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1871#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1862#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 1852#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1853#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1854#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 1855#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 1893#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1895#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1906#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1905#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1904#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1903#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1902#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 1888#L517-4 lis_~i~0#1 := 1; 1874#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1858#L520-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1859#L521 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1880#L521-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1864#L520-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1877#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1892#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1912#L519-3 assume !(lis_~i~0#1 < lis_~N#1); 1889#L519-4 lis_~i~0#1 := 0; 1883#L523-3 [2021-11-13 17:32:43,066 INFO L793 eck$LassoCheckResult]: Loop: 1883#L523-3 assume !!(lis_~i~0#1 < lis_~N#1);call lis_#t~mem14#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4); 1884#L524 assume lis_~max~0#1 < lis_#t~mem14#1;havoc lis_#t~mem14#1;call lis_#t~mem15#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);lis_~max~0#1 := lis_#t~mem15#1;havoc lis_#t~mem15#1; 1885#L523-2 lis_#t~post13#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post13#1;havoc lis_#t~post13#1; 1883#L523-3 [2021-11-13 17:32:43,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:43,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1656376535, now seen corresponding path program 1 times [2021-11-13 17:32:43,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:43,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836434432] [2021-11-13 17:32:43,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:43,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:43,087 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:43,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:43,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:43,130 INFO L85 PathProgramCache]: Analyzing trace with hash 111317, now seen corresponding path program 2 times [2021-11-13 17:32:43,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:43,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829084735] [2021-11-13 17:32:43,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:43,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:43,134 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:43,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:43,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:43,140 INFO L85 PathProgramCache]: Analyzing trace with hash -234008915, now seen corresponding path program 1 times [2021-11-13 17:32:43,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:43,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752145308] [2021-11-13 17:32:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:43,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:43,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:43,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:48,712 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:32:48,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:32:48,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:32:48,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:32:48,712 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:32:48,712 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:48,712 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:32:48,712 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:32:48,712 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration11_Lasso [2021-11-13 17:32:48,712 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:32:48,713 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:32:48,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:48,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:49,321 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 17:32:49,324 INFO L158 Benchmark]: Toolchain (without parser) took 18540.25ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 76.3MB in the beginning and 114.9MB in the end (delta: -38.6MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2021-11-13 17:32:49,325 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:32:49,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.85ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 77.5MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:32:49,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.94ms. Allocated memory is still 109.1MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:32:49,327 INFO L158 Benchmark]: Boogie Preprocessor took 53.43ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:32:49,327 INFO L158 Benchmark]: RCFGBuilder took 405.25ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 61.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 17:32:49,328 INFO L158 Benchmark]: BuchiAutomizer took 17593.88ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 61.6MB in the beginning and 114.9MB in the end (delta: -53.3MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2021-11-13 17:32:49,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.85ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 77.5MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.94ms. Allocated memory is still 109.1MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.43ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.25ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 61.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 17593.88ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 61.6MB in the beginning and 114.9MB in the end (delta: -53.3MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 17:32:49,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:49,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:49,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2021-11-13 17:32:49,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2021-11-13 17:32:50,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62383b21-9e6b-4ed2-b9cc-10e3a0630aa6/bin/uautomizer-YU5uOKAj3y/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int)