./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:45:23,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:45:23,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:45:23,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:45:23,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:45:23,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:45:23,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:45:23,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:45:23,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:45:23,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:45:23,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:45:23,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:45:23,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:45:23,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:45:23,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:45:23,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:45:23,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:45:23,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:45:23,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:45:23,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:45:23,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:45:23,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:45:23,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:45:23,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:45:23,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:45:23,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:45:23,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:45:23,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:45:23,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:45:23,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:45:23,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:45:23,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:45:23,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:45:23,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:45:23,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:45:23,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:45:23,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:45:23,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:45:23,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:45:23,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:45:23,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:45:23,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:45:23,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:45:23,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:45:23,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:45:23,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:45:23,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:45:23,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:45:23,748 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:45:23,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:45:23,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:45:23,748 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:45:23,749 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:45:23,750 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:45:23,750 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:45:23,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:45:23,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:45:23,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:45:23,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:45:23,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:45:23,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:45:23,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:45:23,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:45:23,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:45:23,752 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:45:23,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:45:23,753 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:45:23,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:45:23,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:45:23,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:45:23,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:45:23,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:45:23,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:45:23,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:45:23,758 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:45:23,758 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_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa [2021-10-28 09:45:24,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:45:24,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:45:24,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:45:24,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:45:24,073 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:45:24,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2021-10-28 09:45:24,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/data/ba70ccb42/460e329a8e2a4ef1b0ea37414a6da78c/FLAG1f35730b7 [2021-10-28 09:45:24,867 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:45:24,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2021-10-28 09:45:24,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/data/ba70ccb42/460e329a8e2a4ef1b0ea37414a6da78c/FLAG1f35730b7 [2021-10-28 09:45:25,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/data/ba70ccb42/460e329a8e2a4ef1b0ea37414a6da78c [2021-10-28 09:45:25,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:45:25,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:45:25,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:45:25,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:45:25,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:45:25,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718f8492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25, skipping insertion in model container [2021-10-28 09:45:25,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:45:25,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:45:25,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c[2807,2820] [2021-10-28 09:45:25,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:45:25,567 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:45:25,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c[2807,2820] [2021-10-28 09:45:25,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:45:25,709 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:45:25,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25 WrapperNode [2021-10-28 09:45:25,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:45:25,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:45:25,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:45:25,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:45:25,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:45:25,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:45:25,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:45:25,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:45:25,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:45:25,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:45:25,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:45:25,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:45:25,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:25,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:25,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:25,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:45:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:45:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:45:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:45:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:45:26,996 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:45:27,001 INFO L299 CfgBuilder]: Removed 84 assume(true) statements. [2021-10-28 09:45:27,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:45:27 BoogieIcfgContainer [2021-10-28 09:45:27,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:45:27,006 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:45:27,006 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:45:27,010 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:45:27,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:45:27,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:45:25" (1/3) ... [2021-10-28 09:45:27,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d3372ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:45:27, skipping insertion in model container [2021-10-28 09:45:27,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:45:27,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:25" (2/3) ... [2021-10-28 09:45:27,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d3372ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:45:27, skipping insertion in model container [2021-10-28 09:45:27,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:45:27,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:45:27" (3/3) ... [2021-10-28 09:45:27,017 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2021-10-28 09:45:27,076 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:45:27,077 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:45:27,077 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:45:27,077 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:45:27,077 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:45:27,077 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:45:27,078 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:45:27,078 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:45:27,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:27,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 09:45:27,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:27,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:27,153 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:27,154 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:27,154 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:45:27,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:27,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 09:45:27,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:27,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:27,167 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:27,167 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:27,172 INFO L791 eck$LassoCheckResult]: Stem: 51#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 40#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 32#L271true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 54#L279true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 44#L235true assume 0 != main_~tmp~0; 34#L206true ~switchedOnBeforeTS~0 := 0; 15#L872true havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 60#L893-1true [2021-10-28 09:45:27,173 INFO L793 eck$LassoCheckResult]: Loop: 60#L893-1true assume !false; 30#L444true assume test_~splverifierCounter~0 < 4; 38#L445true test_~tmp~2 := test_#t~nondet37;havoc test_#t~nondet37; 42#L453true assume !(0 != test_~tmp~2); 35#L453-1true test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; 41#L463true assume !(0 != test_~tmp___0~0); 57#L463-1true test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; 55#L473true assume 0 != test_~tmp___2~0; 66#L479-1true havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 59#L377true __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 39#L882true assume !(0 != ~pumpRunning~0); 64#L300true assume 0 != ~systemActive~0; 11#L307true havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 43#L131true __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 14#L893true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 60#L893-1true [2021-10-28 09:45:27,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:27,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 09:45:27,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:27,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856114541] [2021-10-28 09:45:27,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:27,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,474 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,752 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:27,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:27,762 INFO L85 PathProgramCache]: Analyzing trace with hash -242843208, now seen corresponding path program 1 times [2021-10-28 09:45:27,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:27,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430041213] [2021-10-28 09:45:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:27,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,780 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:27,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:27,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1691182002, now seen corresponding path program 1 times [2021-10-28 09:45:27,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:27,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147376418] [2021-10-28 09:45:27,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:27,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:28,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:28,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147376418] [2021-10-28 09:45:28,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147376418] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:45:28,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:45:28,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:45:28,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385032096] [2021-10-28 09:45:28,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:28,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:45:28,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:45:28,298 INFO L87 Difference]: Start difference. First operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:28,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:28,566 INFO L93 Difference]: Finished difference Result 218 states and 306 transitions. [2021-10-28 09:45:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:45:28,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 306 transitions. [2021-10-28 09:45:28,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2021-10-28 09:45:28,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 196 states and 284 transitions. [2021-10-28 09:45:28,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 196 [2021-10-28 09:45:28,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 196 [2021-10-28 09:45:28,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 196 states and 284 transitions. [2021-10-28 09:45:28,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:45:28,601 INFO L681 BuchiCegarLoop]: Abstraction has 196 states and 284 transitions. [2021-10-28 09:45:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states and 284 transitions. [2021-10-28 09:45:28,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 106. [2021-10-28 09:45:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 105 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2021-10-28 09:45:28,640 INFO L704 BuchiCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-10-28 09:45:28,640 INFO L587 BuchiCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-10-28 09:45:28,640 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:45:28,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states and 146 transitions. [2021-10-28 09:45:28,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2021-10-28 09:45:28,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:28,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:28,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:28,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:28,643 INFO L791 eck$LassoCheckResult]: Stem: 373#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 363#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 351#L271 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 352#L279 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 368#L235 assume 0 != main_~tmp~0; 353#L206 ~switchedOnBeforeTS~0 := 0; 325#L872 havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 326#L893-1 [2021-10-28 09:45:28,643 INFO L793 eck$LassoCheckResult]: Loop: 326#L893-1 assume !false; 399#L444 assume test_~splverifierCounter~0 < 4; 358#L445 test_~tmp~2 := test_#t~nondet37;havoc test_#t~nondet37; 359#L453 assume !(0 != test_~tmp~2); 408#L453-1 test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; 364#L463 assume !(0 != test_~tmp___0~0); 308#L463-1 test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; 376#L473 assume 0 != test_~tmp___2~0; 337#L479-1 havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 379#L377 __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 360#L882 assume !(0 != ~pumpRunning~0); 362#L300 assume 0 != ~systemActive~0; 381#L307 havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 366#L131 __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 367#L893 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 328#L377-1 __utac_acc__Specification5_spec__3_#t~ret78 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 329#L897 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 326#L893-1 [2021-10-28 09:45:28,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:28,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 09:45:28,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:28,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440413327] [2021-10-28 09:45:28,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:28,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:28,712 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:28,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:28,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:28,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1444103597, now seen corresponding path program 1 times [2021-10-28 09:45:28,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:28,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052607177] [2021-10-28 09:45:28,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:28,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:28,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:28,851 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:28,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1728251341, now seen corresponding path program 1 times [2021-10-28 09:45:28,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:28,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072484151] [2021-10-28 09:45:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:28,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:28,913 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:28,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:46:33,318 WARN L207 SmtUtils]: Spent 1.07 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 09:47:39,435 WARN L207 SmtUtils]: Spent 31.71 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 09:47:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:47:39 BoogieIcfgContainer [2021-10-28 09:47:39,584 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:47:39,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:47:39,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:47:39,585 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:47:39,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:45:27" (3/4) ... [2021-10-28 09:47:39,588 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:47:39,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:47:39,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:47:39,637 INFO L168 Benchmark]: Toolchain (without parser) took 134529.98 ms. Allocated memory was 79.7 MB in the beginning and 117.4 MB in the end (delta: 37.7 MB). Free memory was 54.5 MB in the beginning and 45.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,638 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 51.9 MB in the end (delta: 50.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:47:39,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.75 ms. Allocated memory is still 79.7 MB. Free memory was 54.3 MB in the beginning and 49.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.69 ms. Allocated memory is still 79.7 MB. Free memory was 49.7 MB in the beginning and 47.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,639 INFO L168 Benchmark]: Boogie Preprocessor took 59.51 ms. Allocated memory is still 79.7 MB. Free memory was 47.0 MB in the beginning and 45.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,640 INFO L168 Benchmark]: RCFGBuilder took 1136.23 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.0 MB in the beginning and 46.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,640 INFO L168 Benchmark]: BuchiAutomizer took 132578.58 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 45.9 MB in the beginning and 47.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,641 INFO L168 Benchmark]: Witness Printer took 51.50 ms. Allocated memory is still 117.4 MB. Free memory was 47.1 MB in the beginning and 45.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:39,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 51.9 MB in the end (delta: 50.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 610.75 ms. Allocated memory is still 79.7 MB. Free memory was 54.3 MB in the beginning and 49.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.69 ms. Allocated memory is still 79.7 MB. Free memory was 49.7 MB in the beginning and 47.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.51 ms. Allocated memory is still 79.7 MB. Free memory was 47.0 MB in the beginning and 45.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1136.23 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.0 MB in the beginning and 46.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 132578.58 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 45.9 MB in the beginning and 47.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * Witness Printer took 51.50 ms. Allocated memory is still 117.4 MB. Free memory was 47.1 MB in the beginning and 45.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 106 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 132.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 132.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 90 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 106 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 129 SDtfs, 292 SDslu, 334 SDs, 0 SdLazy, 78 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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: 443]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=18814} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=18817, NULL=0, retValue_acc=0, NULL=18814, NULL=18838, NULL=0, NULL=0, NULL=18831, NULL=18840, NULL=18833, methaneLevelCritical=0, NULL=18815, tmp=1, tmp=0, NULL=0, NULL=0, NULL=18832, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@271efeb8=0, NULL=0, NULL=0, NULL=0, NULL=18835, NULL=18841, cleanupTimeShifts=4, NULL=18830, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47a91e5c=76, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c121e9c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20b547a0=0, NULL=18816, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28ca529e=0, NULL=0, systemActive=1, waterLevel=1, NULL=18828, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18818, NULL=0, tmp___0=0, NULL=18826, NULL=18819, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, tmp___0=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17989b8b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c9e63c2=0, NULL=0, retValue_acc=1, NULL=18824, NULL=18821, NULL=0, NULL=0, NULL=0, NULL=18839, tmp___2=76, NULL=18825, NULL=18827, splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14042943=0, NULL=18842, NULL=18836, NULL=18837, NULL=18823, head=0, NULL=0, NULL=0, NULL=18822, NULL=0, NULL=18829, NULL=18820, NULL=0, NULL=18834, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L669] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L866] int switchedOnBeforeTS ; [L226] int retValue_acc ; [L227] int tmp ; [L275] int retValue_acc ; [L278] retValue_acc = 1 [L279] return (retValue_acc); [L233] tmp = valid_product() [L235] COND TRUE \read(tmp) [L871] switchedOnBeforeTS = 0 [L434] int splverifierCounter ; [L435] int tmp ; [L436] int tmp___0 ; [L437] int tmp___1 ; [L438] int tmp___2 ; [L441] splverifierCounter = 0 Loop: [L443] COND TRUE 1 [L445] COND TRUE splverifierCounter < 4 [L451] tmp = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp)) [L461] tmp___0 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___0)) [L471] tmp___2 = __VERIFIER_nondet_int() [L473] COND TRUE \read(tmp___2) [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L880] switchedOnBeforeTS = isPumpRunning() [L300] COND FALSE !(\read(pumpRunning)) [L307] COND TRUE \read(systemActive) [L886] int tmp ; [L887] int tmp___0 ; [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L891] tmp = getWaterLevel() [L893] COND TRUE tmp != 2 [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:47:39,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcbe97c-de88-4d61-a67d-9624c9e900f1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...