./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer --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 532810884b5d2bf06b0b91e69513de04a1b641b8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-02 12:09:12,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:09:12,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:09:12,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:09:12,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:09:12,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:09:12,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:09:12,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:09:12,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:09:12,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:09:12,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:09:12,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:09:12,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:09:12,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:09:12,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:09:12,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:09:12,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:09:12,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:09:12,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:09:12,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:09:12,807 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:09:12,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:09:12,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:09:12,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:09:12,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:09:12,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:09:12,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:09:12,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:09:12,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:09:12,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:09:12,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:09:12,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:09:12,811 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:09:12,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:09:12,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:09:12,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:09:12,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 12:09:12,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:09:12,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:09:12,820 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:09:12,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 12:09:12,821 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 12:09:12,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:09:12,821 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:09:12,822 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 12:09:12,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:09:12,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:09:12,823 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 12:09:12,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:09:12,823 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 12:09:12,823 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 12:09:12,824 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 12:09:12,824 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer 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 -> 532810884b5d2bf06b0b91e69513de04a1b641b8 [2018-12-02 12:09:12,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:09:12,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:09:12,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:09:12,849 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:09:12,850 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:09:12,850 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-12-02 12:09:12,886 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/data/18c5c689c/ee6b66ef9cc44ef3b226d86b71f457fb/FLAG85dd10129 [2018-12-02 12:09:13,333 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:09:13,333 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-12-02 12:09:13,339 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/data/18c5c689c/ee6b66ef9cc44ef3b226d86b71f457fb/FLAG85dd10129 [2018-12-02 12:09:13,348 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/data/18c5c689c/ee6b66ef9cc44ef3b226d86b71f457fb [2018-12-02 12:09:13,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:09:13,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:09:13,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:09:13,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:09:13,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:09:13,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13, skipping insertion in model container [2018-12-02 12:09:13,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:09:13,379 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:09:13,525 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:09:13,533 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:09:13,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:09:13,621 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:09:13,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13 WrapperNode [2018-12-02 12:09:13,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:09:13,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:09:13,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:09:13,622 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:09:13,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:09:13,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:09:13,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:09:13,656 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:09:13,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... [2018-12-02 12:09:13,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:09:13,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:09:13,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:09:13,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:09:13,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:09:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:09:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 12:09:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:09:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:09:13,998 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:09:13,998 INFO L280 CfgBuilder]: Removed 130 assue(true) statements. [2018-12-02 12:09:13,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:09:13 BoogieIcfgContainer [2018-12-02 12:09:13,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:09:13,999 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 12:09:13,999 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 12:09:14,001 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 12:09:14,002 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:09:14,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 12:09:13" (1/3) ... [2018-12-02 12:09:14,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61c54c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:09:14, skipping insertion in model container [2018-12-02 12:09:14,003 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:09:14,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:13" (2/3) ... [2018-12-02 12:09:14,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61c54c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:09:14, skipping insertion in model container [2018-12-02 12:09:14,003 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:09:14,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:09:13" (3/3) ... [2018-12-02 12:09:14,004 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-12-02 12:09:14,037 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 12:09:14,037 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 12:09:14,037 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 12:09:14,038 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 12:09:14,038 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:09:14,038 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:09:14,038 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 12:09:14,038 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:09:14,038 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 12:09:14,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states. [2018-12-02 12:09:14,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-12-02 12:09:14,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:14,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:14,070 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,070 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,070 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 12:09:14,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states. [2018-12-02 12:09:14,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-12-02 12:09:14,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:14,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:14,073 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,073 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,077 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 17#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 68#L228true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 90#L236true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 41#L183true assume 0 != main_~tmp~1; 52#L155true ~switchedOnBeforeTS~0 := 0; 55#L49true havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 25#L70-1true [2018-12-02 12:09:14,077 INFO L796 eck$LassoCheckResult]: Loop: 25#L70-1true assume !false; 28#L717true assume test_~splverifierCounter~0 < 4; 50#L718true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 77#L726true assume !(0 != test_~tmp~5); 80#L726-1true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 58#L736true assume !(0 != test_~tmp___0~1); 60#L736-1true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 34#L746true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 46#L754-2true havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 5#L888true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 27#L59true assume !(0 != ~pumpRunning~0); 92#L785true assume !(0 != ~systemActive~0); 73#L792true havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 71#L686true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 29#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 25#L70-1true [2018-12-02 12:09:14,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-02 12:09:14,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:14,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1011776589, now seen corresponding path program 1 times [2018-12-02 12:09:14,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:14,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:09:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:09:14,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:09:14,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:09:14,247 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 12:09:14,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:09:14,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:09:14,257 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 3 states. [2018-12-02 12:09:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:09:14,280 INFO L93 Difference]: Finished difference Result 93 states and 128 transitions. [2018-12-02 12:09:14,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:09:14,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 128 transitions. [2018-12-02 12:09:14,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-12-02 12:09:14,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 86 states and 120 transitions. [2018-12-02 12:09:14,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2018-12-02 12:09:14,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2018-12-02 12:09:14,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 120 transitions. [2018-12-02 12:09:14,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 12:09:14,288 INFO L705 BuchiCegarLoop]: Abstraction has 86 states and 120 transitions. [2018-12-02 12:09:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 120 transitions. [2018-12-02 12:09:14,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-02 12:09:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-02 12:09:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 120 transitions. [2018-12-02 12:09:14,308 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 120 transitions. [2018-12-02 12:09:14,308 INFO L608 BuchiCegarLoop]: Abstraction has 86 states and 120 transitions. [2018-12-02 12:09:14,308 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 12:09:14,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 120 transitions. [2018-12-02 12:09:14,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-12-02 12:09:14,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:14,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:14,310 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,310 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,310 INFO L794 eck$LassoCheckResult]: Stem: 246#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 217#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 218#L228 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 274#L236 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 248#L183 assume 0 != main_~tmp~1; 249#L155 ~switchedOnBeforeTS~0 := 0; 259#L49 havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 227#L70-1 [2018-12-02 12:09:14,310 INFO L796 eck$LassoCheckResult]: Loop: 227#L70-1 assume !false; 228#L717 assume test_~splverifierCounter~0 < 4; 236#L718 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 258#L726 assume !(0 != test_~tmp~5); 240#L726-1 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 264#L736 assume !(0 != test_~tmp___0~1); 263#L736-1 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 241#L746 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 243#L754-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 199#L888 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 200#L59 assume !(0 != ~pumpRunning~0); 230#L785 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 268#L817 assume !(0 == ~pumpRunning~0); 269#L792 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 275#L686 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 232#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 227#L70-1 [2018-12-02 12:09:14,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-02 12:09:14,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:14,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1258533763, now seen corresponding path program 1 times [2018-12-02 12:09:14,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,349 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 12:09:14,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:09:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:09:14,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:09:14,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:09:14,363 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 12:09:14,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:09:14,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:09:14,364 INFO L87 Difference]: Start difference. First operand 86 states and 120 transitions. cyclomatic complexity: 36 Second operand 3 states. [2018-12-02 12:09:14,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:09:14,409 INFO L93 Difference]: Finished difference Result 135 states and 182 transitions. [2018-12-02 12:09:14,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:09:14,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 182 transitions. [2018-12-02 12:09:14,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2018-12-02 12:09:14,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 135 states and 182 transitions. [2018-12-02 12:09:14,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2018-12-02 12:09:14,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2018-12-02 12:09:14,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 182 transitions. [2018-12-02 12:09:14,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 12:09:14,413 INFO L705 BuchiCegarLoop]: Abstraction has 135 states and 182 transitions. [2018-12-02 12:09:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 182 transitions. [2018-12-02 12:09:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-02 12:09:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-02 12:09:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 182 transitions. [2018-12-02 12:09:14,417 INFO L728 BuchiCegarLoop]: Abstraction has 135 states and 182 transitions. [2018-12-02 12:09:14,417 INFO L608 BuchiCegarLoop]: Abstraction has 135 states and 182 transitions. [2018-12-02 12:09:14,417 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 12:09:14,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 182 transitions. [2018-12-02 12:09:14,418 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2018-12-02 12:09:14,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:14,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:14,418 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,419 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,419 INFO L794 eck$LassoCheckResult]: Stem: 473#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 444#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 445#L228 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 499#L236 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 475#L183 assume 0 != main_~tmp~1; 476#L155 ~switchedOnBeforeTS~0 := 0; 485#L49 havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 488#L70-1 [2018-12-02 12:09:14,419 INFO L796 eck$LassoCheckResult]: Loop: 488#L70-1 assume !false; 548#L717 assume test_~splverifierCounter~0 < 4; 547#L718 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 545#L726 assume !(0 != test_~tmp~5); 543#L726-1 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 540#L736 assume !(0 != test_~tmp___0~1); 537#L736-1 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 528#L746 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 524#L754-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 522#L888 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 456#L59 assume !(0 != ~pumpRunning~0); 457#L785 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 497#L817 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 438#L694 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 439#L699 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 471#L937 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 472#L937-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 447#L943 processEnvironment_#t~ret54 := isHighWaterLevel_#res;processEnvironment_~tmp~6 := processEnvironment_#t~ret54;havoc processEnvironment_#t~ret54; 448#L821 assume !(0 != processEnvironment_~tmp~6); 509#L792 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 553#L686 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 549#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 488#L70-1 [2018-12-02 12:09:14,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-02 12:09:14,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:14,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1416842961, now seen corresponding path program 1 times [2018-12-02 12:09:14,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,448 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 12:09:14,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:09:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:09:14,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:09:14,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 12:09:14,466 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 12:09:14,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:09:14,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:09:14,466 INFO L87 Difference]: Start difference. First operand 135 states and 182 transitions. cyclomatic complexity: 49 Second operand 5 states. [2018-12-02 12:09:14,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:09:14,578 INFO L93 Difference]: Finished difference Result 357 states and 473 transitions. [2018-12-02 12:09:14,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 12:09:14,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 357 states and 473 transitions. [2018-12-02 12:09:14,580 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 235 [2018-12-02 12:09:14,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 357 states to 357 states and 473 transitions. [2018-12-02 12:09:14,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2018-12-02 12:09:14,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2018-12-02 12:09:14,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 473 transitions. [2018-12-02 12:09:14,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 12:09:14,583 INFO L705 BuchiCegarLoop]: Abstraction has 357 states and 473 transitions. [2018-12-02 12:09:14,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 473 transitions. [2018-12-02 12:09:14,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 263. [2018-12-02 12:09:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-12-02 12:09:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 346 transitions. [2018-12-02 12:09:14,591 INFO L728 BuchiCegarLoop]: Abstraction has 263 states and 346 transitions. [2018-12-02 12:09:14,591 INFO L608 BuchiCegarLoop]: Abstraction has 263 states and 346 transitions. [2018-12-02 12:09:14,591 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-02 12:09:14,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 346 transitions. [2018-12-02 12:09:14,593 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 188 [2018-12-02 12:09:14,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:14,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:14,593 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,593 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:09:14,593 INFO L794 eck$LassoCheckResult]: Stem: 980#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 952#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 953#L228 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 1005#L236 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 982#L183 assume 0 != main_~tmp~1; 983#L155 ~switchedOnBeforeTS~0 := 0; 992#L49 havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 961#L70-1 [2018-12-02 12:09:14,594 INFO L796 eck$LassoCheckResult]: Loop: 961#L70-1 assume !false; 962#L717 assume test_~splverifierCounter~0 < 4; 965#L718 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 990#L726 assume !(0 != test_~tmp~5); 1016#L726-1 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 997#L736 assume !(0 != test_~tmp___0~1); 996#L736-1 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 975#L746 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 977#L754-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 934#L888 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 935#L59 assume !(0 != ~pumpRunning~0); 964#L785 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1003#L817 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 946#L694 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 947#L699 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 978#L937 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 979#L937-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 955#L943 processEnvironment_#t~ret54 := isHighWaterLevel_#res;processEnvironment_~tmp~6 := processEnvironment_#t~ret54;havoc processEnvironment_#t~ret54; 956#L821 assume !(0 != processEnvironment_~tmp~6); 1012#L792 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1009#L686 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 966#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 940#L888-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 941#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 961#L70-1 [2018-12-02 12:09:14,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times [2018-12-02 12:09:14,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:14,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,618 INFO L82 PathProgramCache]: Analyzing trace with hash -81466294, now seen corresponding path program 1 times [2018-12-02 12:09:14,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,619 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 12:09:14,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:14,627 INFO L82 PathProgramCache]: Analyzing trace with hash -222059632, now seen corresponding path program 1 times [2018-12-02 12:09:14,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:14,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:14,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:14,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:14,763 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-12-02 12:09:19,004 WARN L180 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-02 12:09:21,072 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-02 12:09:21,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 12:09:21 BoogieIcfgContainer [2018-12-02 12:09:21,104 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 12:09:21,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:09:21,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:09:21,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:09:21,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:09:13" (3/4) ... [2018-12-02 12:09:21,108 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 12:09:21,148 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f9d0ffe-429b-433c-9a16-c03af9d9ac0a/bin-2019/uautomizer/witness.graphml [2018-12-02 12:09:21,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:09:21,149 INFO L168 Benchmark]: Toolchain (without parser) took 7798.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 950.6 MB in the beginning and 863.2 MB in the end (delta: 87.5 MB). Peak memory consumption was 241.6 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,149 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:09:21,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,150 INFO L168 Benchmark]: Boogie Preprocessor took 19.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,150 INFO L168 Benchmark]: RCFGBuilder took 322.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,151 INFO L168 Benchmark]: BuchiAutomizer took 7105.69 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 868.5 MB in the end (delta: 153.8 MB). Peak memory consumption was 249.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,151 INFO L168 Benchmark]: Witness Printer took 43.43 ms. Allocated memory is still 1.2 GB. Free memory was 868.5 MB in the beginning and 863.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:09:21,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7105.69 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 868.5 MB in the end (delta: 153.8 MB). Peak memory consumption was 249.0 MB. Max. memory is 11.5 GB. * Witness Printer took 43.43 ms. Allocated memory is still 1.2 GB. Free memory was 868.5 MB in the beginning and 863.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 263 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 402 SDtfs, 598 SDslu, 406 SDs, 0 SdLazy, 98 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 716]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@189d12fe=0, NULL=19, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e3d1b45=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4840ffad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74d4f922=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3188fd7d=0, NULL=31, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ae9f968=0, tmp=0, NULL=15, NULL=0, NULL=39, NULL=0, NULL=28, tmp___1=0, tmp=1, NULL=11, NULL=17, NULL=38, retValue_acc=0, cleanupTimeShifts=4, NULL=24, switchedOnBeforeTS=0, NULL=26, NULL=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4df75b3b=0, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=36, NULL=0, \result=0, NULL=27, NULL=33, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=35, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f0b8819=0, NULL=0, NULL=23, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=40, \result=1, NULL=0, retValue_acc=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=56, tmp___0=0, NULL=29, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a854731=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f1ade53=0, NULL=16, head=0, NULL=0, NULL=0, NULL=12, NULL=0, tmp=0, NULL=22, NULL=37, NULL=0, NULL=34, NULL=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int switchedOnBeforeTS ; [L92] int cleanupTimeShifts = 4; [L410] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L611] int waterLevel = 1; [L612] int methaneLevelCritical = 0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L174] int retValue_acc ; [L175] int tmp ; [L232] int retValue_acc ; [L235] retValue_acc = 1 [L236] return (retValue_acc); [L181] tmp = valid_product() [L183] COND TRUE \read(tmp) [L48] switchedOnBeforeTS = 0 [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L951] systemActive = 1 [L884] int retValue_acc ; [L887] retValue_acc = pumpRunning [L888] return (retValue_acc); [L57] switchedOnBeforeTS = isPumpRunning() [L785] COND FALSE !(\read(pumpRunning)) [L792] COND TRUE \read(systemActive) [L814] int tmp ; [L817] COND TRUE ! pumpRunning [L929] int retValue_acc ; [L930] int tmp ; [L931] int tmp___0 ; [L691] int retValue_acc ; [L694] COND TRUE waterLevel < 2 [L695] retValue_acc = 1 [L696] return (retValue_acc); [L935] tmp = isHighWaterSensorDry() [L937] COND TRUE \read(tmp) [L938] tmp___0 = 0 [L942] retValue_acc = tmp___0 [L943] return (retValue_acc); [L819] tmp = isHighWaterLevel() [L821] COND FALSE !(\read(tmp)) [L63] int tmp ; [L64] int tmp___0 ; [L682] int retValue_acc ; [L685] retValue_acc = waterLevel [L686] return (retValue_acc); [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L884] int retValue_acc ; [L887] retValue_acc = pumpRunning [L888] return (retValue_acc); [L72] tmp___0 = isPumpRunning() [L74] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...