./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:37:48,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:37:48,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:37:48,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:37:48,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:37:48,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:37:48,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:37:48,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:37:48,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:37:48,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:37:48,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:37:48,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:37:48,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:37:48,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:37:48,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:37:48,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:37:48,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:37:48,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:37:48,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:37:48,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:37:48,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:37:48,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:37:48,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:37:48,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:37:48,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:37:48,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:37:48,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:37:48,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:37:48,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:37:48,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:37:48,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:37:48,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:37:48,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:37:48,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:37:48,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:37:48,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:37:48,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:37:48,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:37:48,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:37:48,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:37:48,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:37:48,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 22:37:48,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:37:48,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:37:48,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:37:48,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:37:48,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:37:48,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:37:48,758 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:37:48,759 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:37:48,759 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:37:48,759 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:37:48,759 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:37:48,759 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:37:48,759 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:37:48,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:37:48,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:37:48,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:37:48,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:37:48,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:37:48,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:37:48,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:37:48,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:37:48,761 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:37:48,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:37:48,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:37:48,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:37:48,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:37:48,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:37:48,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:37:48,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:37:48,763 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:37:48,763 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_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 [2021-12-06 22:37:48,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:37:48,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:37:48,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:37:48,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:37:48,953 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:37:48,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2021-12-06 22:37:48,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/data/e676c1ba4/548946e36ab24acc96836df49473edd6/FLAGd0c154b5e [2021-12-06 22:37:49,432 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:37:49,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2021-12-06 22:37:49,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/data/e676c1ba4/548946e36ab24acc96836df49473edd6/FLAGd0c154b5e [2021-12-06 22:37:49,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/data/e676c1ba4/548946e36ab24acc96836df49473edd6 [2021-12-06 22:37:49,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:37:49,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:37:49,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:37:49,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:37:49,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:37:49,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1337ef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49, skipping insertion in model container [2021-12-06 22:37:49,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:37:49,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:37:49,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:37:49,661 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:37:49,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:37:49,710 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:37:49,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49 WrapperNode [2021-12-06 22:37:49,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:37:49,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:37:49,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:37:49,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:37:49,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,741 INFO L137 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2021-12-06 22:37:49,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:37:49,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:37:49,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:37:49,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:37:49,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:37:49,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:37:49,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:37:49,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:37:49,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (1/1) ... [2021-12-06 22:37:49,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:49,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:49,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:37:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:37:49,881 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:37:49,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:37:49,977 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:37:49,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:37:49,982 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:37:49,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:37:49 BoogieIcfgContainer [2021-12-06 22:37:49,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:37:49,984 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:37:49,984 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:37:49,987 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:37:49,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:37:49,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:37:49" (1/3) ... [2021-12-06 22:37:49,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c748de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:37:49, skipping insertion in model container [2021-12-06 22:37:49,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:37:49,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:37:49" (2/3) ... [2021-12-06 22:37:49,989 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c748de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:37:49, skipping insertion in model container [2021-12-06 22:37:49,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:37:49,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:37:49" (3/3) ... [2021-12-06 22:37:49,990 INFO L388 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2021-12-06 22:37:50,021 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:37:50,021 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:37:50,022 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:37:50,022 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:37:50,022 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:37:50,022 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:37:50,022 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:37:50,022 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:37:50,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:37:50,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-12-06 22:37:50,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:37:50,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:37:50,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 22:37:50,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:37:50,049 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:37:50,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:37:50,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-12-06 22:37:50,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:37:50,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:37:50,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 22:37:50,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:37:50,056 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset, init_cll_#t~post3#1, init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 6#L552-3true [2021-12-06 22:37:50,056 INFO L793 eck$LassoCheckResult]: Loop: 6#L552-3true assume !!(init_cll_~i~0#1 < init_cll_~n#1);call init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset := init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset;havoc init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset;call write~int(init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, 4);call write~$Pointer$(init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset; 3#L552-2true init_cll_#t~post3#1 := init_cll_~i~0#1;init_cll_~i~0#1 := 1 + init_cll_#t~post3#1;havoc init_cll_#t~post3#1; 6#L552-3true [2021-12-06 22:37:50,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:50,061 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 22:37:50,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:37:50,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397528818] [2021-12-06 22:37:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:37:50,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:37:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:50,160 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:37:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:50,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:37:50,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:50,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-06 22:37:50,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:37:50,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695177293] [2021-12-06 22:37:50,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:37:50,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:37:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:50,215 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:37:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:50,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:37:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:50,239 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-06 22:37:50,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:37:50,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038703860] [2021-12-06 22:37:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:37:50,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:37:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:50,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:37:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:50,308 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:37:50,821 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:37:50,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:37:50,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:37:50,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:37:50,821 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:37:50,822 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:50,822 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:37:50,822 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:37:50,822 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2021-12-06 22:37:50,822 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:37:50,822 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:37:50,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:50,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:37:51,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:37:51,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:37:51,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 22:37:51,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:37:51,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 22:37:51,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 22:37:51,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 22:37:51,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:37:51,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:37:51,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 22:37:51,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 22:37:51,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 22:37:51,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 22:37:51,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 22:37:51,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 22:37:51,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 22:37:51,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,357 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 22:37:51,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 22:37:51,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,386 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 22:37:51,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 22:37:51,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,415 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 22:37:51,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 22:37:51,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,446 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 22:37:51,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:37:51,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:37:51,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 22:37:51,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 22:37:51,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 22:37:51,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,513 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 22:37:51,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:37:51,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:37:51,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 22:37:51,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,548 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 22:37:51,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 22:37:51,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,577 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 22:37:51,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 22:37:51,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,607 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 22:37:51,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:37:51,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:37:51,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 22:37:51,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,644 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 22:37:51,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:37:51,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:37:51,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:37:51,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:37:51,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 22:37:51,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,674 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 22:37:51,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:37:51,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:37:51,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:37:51,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:37:51,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:37:51,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:37:51,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:37:51,693 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:37:51,706 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 22:37:51,706 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-06 22:37:51,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:37:51,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:37:51,712 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:37:51,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 22:37:51,743 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:37:51,769 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:37:51,770 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:37:51,770 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~i~0#1, ULTIMATE.start_init_cll_~n#1) = -1*ULTIMATE.start_init_cll_~i~0#1 + 1*ULTIMATE.start_init_cll_~n#1 Supporting invariants [] [2021-12-06 22:37:51,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 22:37:51,799 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 22:37:51,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:37:51,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:37:51,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:37:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:37:51,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:37:51,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:37:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:37:51,885 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 [2021-12-06 22:37:51,886 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:37:51,917 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 7 states. [2021-12-06 22:37:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 22:37:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:37:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-12-06 22:37:51,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 22:37:51,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:37:51,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 22:37:51,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:37:51,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 22:37:51,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:37:51,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-12-06 22:37:51,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 22:37:51,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2021-12-06 22:37:51,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-12-06 22:37:51,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-06 22:37:51,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-12-06 22:37:51,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:37:51,931 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-06 22:37:51,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-12-06 22:37:51,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-12-06 22:37:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 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) [2021-12-06 22:37:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-12-06 22:37:51,951 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-06 22:37:51,952 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-06 22:37:51,952 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 22:37:51,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-12-06 22:37:51,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 22:37:51,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:37:51,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:37:51,953 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 22:37:51,953 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 22:37:51,953 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset, init_cll_#t~post3#1, init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 87#L552-3 assume !(init_cll_~i~0#1 < init_cll_~n#1); 88#L552-4 call write~$Pointer$(init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_#res#1.base, init_cll_#res#1.offset := init_cll_~head~0#1.base, init_cll_~head~0#1.offset; 91#L559 main_#t~ret7#1.base, main_#t~ret7#1.offset := init_cll_#res#1.base, init_cll_#res#1.offset;assume { :end_inline_init_cll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret7#1.base, main_#t~ret7#1.offset;havoc main_#t~ret7#1.base, main_#t~ret7#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 92#L564-2 [2021-12-06 22:37:51,953 INFO L793 eck$LassoCheckResult]: Loop: 92#L564-2 assume !!(traverse_~curr~1#1.base != 0 || traverse_~curr~1#1.offset != 0);call traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset := read~$Pointer$(traverse_~curr~1#1.base, 4 + traverse_~curr~1#1.offset, 8);traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset;havoc traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset; 92#L564-2 [2021-12-06 22:37:51,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2021-12-06 22:37:51,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:37:51,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079236921] [2021-12-06 22:37:51,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:37:51,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:37:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:51,971 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:37:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:51,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:37:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2021-12-06 22:37:51,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:37:51,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817209836] [2021-12-06 22:37:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:37:51,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:37:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:51,989 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:37:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:51,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:37:51,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:37:51,994 INFO L85 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2021-12-06 22:37:51,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:37:51,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698972240] [2021-12-06 22:37:51,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:37:51,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:37:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:52,011 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:37:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:37:52,025 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:37:52,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 22:37:52,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 10:37:52 BoogieIcfgContainer [2021-12-06 22:37:52,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 22:37:52,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:37:52,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:37:52,493 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:37:52,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:37:49" (3/4) ... [2021-12-06 22:37:52,495 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-06 22:37:52,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:37:52,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:37:52,523 INFO L158 Benchmark]: Toolchain (without parser) took 3069.97ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 81.2MB in the beginning and 81.2MB in the end (delta: 13.4kB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2021-12-06 22:37:52,524 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:37:52,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.62ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 65.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 22:37:52,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.14ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:37:52,525 INFO L158 Benchmark]: Boogie Preprocessor took 18.43ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:37:52,525 INFO L158 Benchmark]: RCFGBuilder took 223.10ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 51.8MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 22:37:52,526 INFO L158 Benchmark]: BuchiAutomizer took 2508.40ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 51.8MB in the beginning and 83.3MB in the end (delta: -31.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-12-06 22:37:52,526 INFO L158 Benchmark]: Witness Printer took 29.47ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:37:52,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.62ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 65.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.14ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.43ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.10ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 51.8MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2508.40ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 51.8MB in the beginning and 83.3MB in the end (delta: -31.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 29.47ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital250 mio100 ax100 hnf100 lsp97 ukn40 mio100 lsp25 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=32665} State at position 1 is {n=0, NULL=0, head=32664, \result=32664, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c76f00c=0, NULL=32665, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3da8f239=0, head=32664, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3da8f239=0, head=0, head=0, head=32664, next_node=0, head=32664, \result=0, curr=32664, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@4c9950a8=0, n=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c741e92=0, \old(n)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@9e29968=0, i=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@4c9950a8=0, next_node=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@288b218b=0, curr=32664, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c76f00c=0, head=0, NULL=0, curr=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@288b218b=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL traverse(head) [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-06 22:37:52,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df17e15-add6-4da7-8b99-ad904d0798dc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)