./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 10:08:31,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:08:31,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:08:31,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:08:31,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:08:31,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:08:31,735 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:08:31,736 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:08:31,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:08:31,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:08:31,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:08:31,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:08:31,739 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:08:31,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:08:31,741 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:08:31,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:08:31,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:08:31,743 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:08:31,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:08:31,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:08:31,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:08:31,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:08:31,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:08:31,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:08:31,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:08:31,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:08:31,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:08:31,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:08:31,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:08:31,751 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:08:31,751 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:08:31,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:08:31,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:08:31,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:08:31,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:08:31,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:08:31,753 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:08:31,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:08:31,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:08:31,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:08:31,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:08:31,764 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:08:31,765 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:08:31,765 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:08:31,765 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:08:31,765 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:08:31,765 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:08:31,765 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:08:31,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:08:31,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:08:31,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:08:31,767 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:08:31,767 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:08:31,767 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:08:31,767 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:08:31,767 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:08:31,767 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:08:31,767 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:08:31,768 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:08:31,768 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:08:31,768 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:08:31,768 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:08:31,769 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_2cb26cba-0737-4f47-9fac-c05c15e44cdf/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-11-18 10:08:31,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:08:31,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:08:31,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:08:31,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:08:31,804 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:08:31,805 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 10:08:31,847 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/data/b63f33c53/777b72ffbaf646bbb4c1c13ae289cc95/FLAGb8540a544 [2018-11-18 10:08:32,298 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:08:32,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 10:08:32,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/data/b63f33c53/777b72ffbaf646bbb4c1c13ae289cc95/FLAGb8540a544 [2018-11-18 10:08:32,319 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/data/b63f33c53/777b72ffbaf646bbb4c1c13ae289cc95 [2018-11-18 10:08:32,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:08:32,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:08:32,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:08:32,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:08:32,326 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:08:32,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32, skipping insertion in model container [2018-11-18 10:08:32,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:08:32,367 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:08:32,562 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:08:32,571 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:08:32,675 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:08:32,691 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:08:32,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32 WrapperNode [2018-11-18 10:08:32,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:08:32,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:08:32,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:08:32,692 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:08:32,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:08:32,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:08:32,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:08:32,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:08:32,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... [2018-11-18 10:08:32,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:08:32,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:08:32,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:08:32,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:08:32,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/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 [2018-11-18 10:08:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:08:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:08:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:08:33,338 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:08:33,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:08:33 BoogieIcfgContainer [2018-11-18 10:08:33,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:08:33,339 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:08:33,339 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:08:33,341 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:08:33,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:08:33,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:08:32" (1/3) ... [2018-11-18 10:08:33,343 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e3bcbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:08:33, skipping insertion in model container [2018-11-18 10:08:33,343 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:08:33,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:32" (2/3) ... [2018-11-18 10:08:33,343 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e3bcbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:08:33, skipping insertion in model container [2018-11-18 10:08:33,343 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:08:33,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:08:33" (3/3) ... [2018-11-18 10:08:33,345 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 10:08:33,376 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:08:33,377 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:08:33,377 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:08:33,377 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:08:33,377 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:08:33,377 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:08:33,377 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:08:33,378 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:08:33,378 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:08:33,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-18 10:08:33,412 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 10:08:33,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:08:33,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:08:33,417 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:33,417 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:33,417 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:08:33,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-18 10:08:33,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 10:08:33,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:08:33,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:08:33,424 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:33,425 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:33,429 INFO L794 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 41#L103true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 173#L96true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 59#L111true main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 129#L947true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 184#L924true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L442-3true [2018-11-18 10:08:33,429 INFO L796 eck$LassoCheckResult]: Loop: 14#L442-3true assume true; 4#L442-1true assume !false; 164#L443true assume test_~splverifierCounter~0 < 4; 82#L444true test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; 90#L452true assume !(0 != test_~tmp~5); 93#L452-2true test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; 168#L462true assume !(0 != test_~tmp___0~2); 169#L462-2true test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 38#L472true assume 0 != test_~tmp___2~0; 185#L478-2true assume { :begin_inline_timeShift } true; 177#L228true assume !(0 != ~pumpRunning~0); 176#L228-2true assume !(0 != ~systemActive~0); 78#L235-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 162#L165-3true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 23#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 18#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 157#L245true assume { :end_inline_timeShift } true; 14#L442-3true [2018-11-18 10:08:33,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:33,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:08:33,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:33,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:33,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:33,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:33,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:33,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:33,584 INFO L82 PathProgramCache]: Analyzing trace with hash -753028109, now seen corresponding path program 1 times [2018-11-18 10:08:33,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:33,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:33,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:33,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:33,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:33,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:33,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1684709713, now seen corresponding path program 1 times [2018-11-18 10:08:33,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:33,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:33,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:33,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:33,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:08:33,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:08:33,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:08:33,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:08:33,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:08:33,802 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 6 states. [2018-11-18 10:08:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:34,028 INFO L93 Difference]: Finished difference Result 425 states and 551 transitions. [2018-11-18 10:08:34,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:08:34,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 425 states and 551 transitions. [2018-11-18 10:08:34,038 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 277 [2018-11-18 10:08:34,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 425 states to 395 states and 521 transitions. [2018-11-18 10:08:34,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 395 [2018-11-18 10:08:34,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 395 [2018-11-18 10:08:34,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 395 states and 521 transitions. [2018-11-18 10:08:34,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:08:34,050 INFO L705 BuchiCegarLoop]: Abstraction has 395 states and 521 transitions. [2018-11-18 10:08:34,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states and 521 transitions. [2018-11-18 10:08:34,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 227. [2018-11-18 10:08:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-18 10:08:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 299 transitions. [2018-11-18 10:08:34,086 INFO L728 BuchiCegarLoop]: Abstraction has 227 states and 299 transitions. [2018-11-18 10:08:34,087 INFO L608 BuchiCegarLoop]: Abstraction has 227 states and 299 transitions. [2018-11-18 10:08:34,087 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:08:34,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 227 states and 299 transitions. [2018-11-18 10:08:34,089 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2018-11-18 10:08:34,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:08:34,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:08:34,089 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:34,090 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] [2018-11-18 10:08:34,090 INFO L794 eck$LassoCheckResult]: Stem: 798#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 672#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 673#L103 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 689#L96 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 712#L111 main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 713#L947 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 782#L924 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 653#L442-3 [2018-11-18 10:08:34,090 INFO L796 eck$LassoCheckResult]: Loop: 653#L442-3 assume true; 632#L442-1 assume !false; 633#L443 assume test_~splverifierCounter~0 < 4; 745#L444 test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; 746#L452 assume !(0 != test_~tmp~5); 754#L452-2 test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; 757#L462 assume !(0 != test_~tmp___0~2); 766#L462-2 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 683#L472 assume 0 != test_~tmp___2~0; 684#L478-2 assume { :begin_inline_timeShift } true; 801#L228 assume !(0 != ~pumpRunning~0); 670#L228-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 793#L286 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret13, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 706#L260-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 680#L252-3 assume { :end_inline_processEnvironment__wrappee__base } true; 635#L260-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 701#L286-1 assume { :end_inline_processEnvironment } true; 739#L235-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 740#L165-3 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 664#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 658#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 659#L245 assume { :end_inline_timeShift } true; 653#L442-3 [2018-11-18 10:08:34,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:34,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:08:34,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:34,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:34,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:34,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:34,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1972840788, now seen corresponding path program 1 times [2018-11-18 10:08:34,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:34,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:34,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,135 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:08:34,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:08:34,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:08:34,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:08:34,150 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:08:34,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:08:34,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:08:34,150 INFO L87 Difference]: Start difference. First operand 227 states and 299 transitions. cyclomatic complexity: 75 Second operand 3 states. [2018-11-18 10:08:34,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:34,233 INFO L93 Difference]: Finished difference Result 285 states and 358 transitions. [2018-11-18 10:08:34,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:08:34,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 358 transitions. [2018-11-18 10:08:34,236 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2018-11-18 10:08:34,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 358 transitions. [2018-11-18 10:08:34,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2018-11-18 10:08:34,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2018-11-18 10:08:34,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 358 transitions. [2018-11-18 10:08:34,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:08:34,239 INFO L705 BuchiCegarLoop]: Abstraction has 285 states and 358 transitions. [2018-11-18 10:08:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 358 transitions. [2018-11-18 10:08:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-11-18 10:08:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-11-18 10:08:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 358 transitions. [2018-11-18 10:08:34,248 INFO L728 BuchiCegarLoop]: Abstraction has 285 states and 358 transitions. [2018-11-18 10:08:34,248 INFO L608 BuchiCegarLoop]: Abstraction has 285 states and 358 transitions. [2018-11-18 10:08:34,249 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:08:34,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 358 transitions. [2018-11-18 10:08:34,250 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2018-11-18 10:08:34,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:08:34,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:08:34,251 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:34,251 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, 1, 1, 1, 1] [2018-11-18 10:08:34,252 INFO L794 eck$LassoCheckResult]: Stem: 1332#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 1192#L103 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1209#L96 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1234#L111 main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 1235#L947 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 1311#L924 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1330#L442-3 [2018-11-18 10:08:34,252 INFO L796 eck$LassoCheckResult]: Loop: 1330#L442-3 assume true; 1412#L442-1 assume !false; 1411#L443 assume test_~splverifierCounter~0 < 4; 1269#L444 test_~tmp~5 := test_#t~nondet34;havoc test_#t~nondet34; 1270#L452 assume !(0 != test_~tmp~5); 1278#L452-2 test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; 1281#L462 assume !(0 != test_~tmp___0~2); 1292#L462-2 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 1339#L472 assume 0 != test_~tmp___2~0; 1348#L478-2 assume { :begin_inline_timeShift } true; 1349#L228 assume !(0 != ~pumpRunning~0); 1344#L228-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1325#L286 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret13, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1227#L260-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 1223#L205-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 1224#L210-1 isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; 1251#L405-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1293#L405-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1275#L411-1 processEnvironment__wrappee__methaneQuery_#t~ret13 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret13;havoc processEnvironment__wrappee__methaneQuery_#t~ret13; 1276#L264-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1152#L252-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1153#L260-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1231#L286-1 assume { :end_inline_processEnvironment } true; 1265#L235-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1266#L165-3 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 1335#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 1177#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1178#L245 assume { :end_inline_timeShift } true; 1330#L442-3 [2018-11-18 10:08:34,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:34,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:08:34,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:34,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:34,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:34,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:34,285 INFO L82 PathProgramCache]: Analyzing trace with hash -88759356, now seen corresponding path program 1 times [2018-11-18 10:08:34,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:34,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:34,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,286 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:08:34,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:34,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1339741304, now seen corresponding path program 1 times [2018-11-18 10:08:34,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:34,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:34,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:34,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:08:34,466 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 10:09:22,252 WARN L180 SmtUtils]: Spent 47.73 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:09:38,394 WARN L180 SmtUtils]: Spent 16.14 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:09:38,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:09:38 BoogieIcfgContainer [2018-11-18 10:09:38,460 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:09:38,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:09:38,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:09:38,461 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:09:38,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:08:33" (3/4) ... [2018-11-18 10:09:38,463 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:09:38,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2cb26cba-0737-4f47-9fac-c05c15e44cdf/bin-2019/uautomizer/witness.graphml [2018-11-18 10:09:38,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:09:38,509 INFO L168 Benchmark]: Toolchain (without parser) took 66187.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 956.6 MB in the beginning and 935.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 185.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:38,510 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:09:38,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:38,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:38,511 INFO L168 Benchmark]: Boogie Preprocessor took 31.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:09:38,511 INFO L168 Benchmark]: RCFGBuilder took 564.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:38,511 INFO L168 Benchmark]: BuchiAutomizer took 65121.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.0 GB in the beginning and 941.6 MB in the end (delta: 103.4 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:38,512 INFO L168 Benchmark]: Witness Printer took 48.33 ms. Allocated memory is still 1.2 GB. Free memory was 941.6 MB in the beginning and 935.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:38,513 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 564.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 65121.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.0 GB in the beginning and 941.6 MB in the end (delta: 103.4 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.33 ms. Allocated memory is still 1.2 GB. Free memory was 941.6 MB in the beginning and 935.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 64.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 168 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 285 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 456 SDtfs, 1075 SDslu, 1094 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 442]: 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, "OK"=29, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=17, methaneLevelCritical=0, "CRIT"=31, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=11, "__utac__get_this_argtype"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71478e5=0, tmp___1=0, "Env(Water:%i"=0, "CRIT"=0, ",Meth:"=0, "On"=26, tmp___0=0, "Off"=20, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@543c3bc0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29cf16ea=173, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@755aa7c9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ea8e4ca=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@164455b6=0, "\n"=0, ") "=0, "__utac__get_this_arg"=40, ")"=0, ")"=28, \result=0, retValue_acc=0, "OK"=0, "libacc.c"=38, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "Env(Water:%i"=15, \result=1, "Pump(System:"=27, head=0, pumpRunning=0, "libacc.c"=12, \result=0, retValue_acc=1, "libacc.c"=37, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57e36e2e=0, "Pump(System:"=0, tmp=0, \result=1, "__utac__get_this_argtype"=36, "__utac__get_this_arg"=33, "Off"=24, tmp=1, retValue_acc=1, tmp___2=173, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45caa94b=0, tmp___0=0, ") "=19, "On"=22, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, \result=0, ",Meth:"=8, "__utac__get_this_argtype"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@579a04c9=0, "i > 0 && i <= this->argsCount"=39, tmp=0, head=0, tmp=0, "On"=0, "Off"=0, ",Pump:"=23, ",Pump:"=0, tmp=1, "On"=0, "\n"=18, "Off"=0, "i > 0 && i <= this->argsCount"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27e03d5=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 442]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L174] FCALL "Env(Water:%i" [L175] FCALL ",Meth:" [L179] FCALL "CRIT" [L183] FCALL "OK" [L187] FCALL ")" [L365] FCALL "Pump(System:" [L369] FCALL "On" [L373] FCALL "Off" [L377] FCALL ",Pump:" [L381] FCALL "On" [L385] FCALL "Off" [L389] FCALL ") " [L391] FCALL "\n" [L796] FCALL "i > 0 && i <= this->argsCount" [L796] FCALL "libacc.c" [L797] FCALL "__utac__get_this_arg" [L803] FCALL "i > 0 && i <= this->argsCount" [L803] FCALL "libacc.c" [L804] FCALL "__utac__get_this_arg" [L842] FCALL "i > 0 && i <= this->argsCount" [L842] FCALL "libacc.c" [L843] FCALL "__utac__get_this_argtype" [L849] FCALL "i > 0 && i <= this->argsCount" [L849] FCALL "libacc.c" [L850] FCALL "__utac__get_this_argtype" [L122] int waterLevel = 1; [L123] int methaneLevelCritical = 0; [L221] int pumpRunning = 0; [L222] int systemActive = 1; [L865] int cleanupTimeShifts = 4; [L668] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L938] int retValue_acc ; [L939] int tmp ; [L943] FCALL select_helpers() [L944] FCALL select_features() [L945] CALL, EXPR valid_product() [L107] int retValue_acc ; [L110] retValue_acc = 1 [L111] RET return (retValue_acc); [L945] EXPR valid_product() [L945] tmp = valid_product() [L947] COND TRUE \read(tmp) [L949] FCALL setup() [L950] CALL runTest() [L932] CALL test() [L433] int splverifierCounter ; [L434] int tmp ; [L435] int tmp___0 ; [L436] int tmp___1 ; [L437] int tmp___2 ; [L440] splverifierCounter = 0 Loop: [L442] COND TRUE 1 [L444] COND TRUE splverifierCounter < 4 [L450] tmp = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp)) [L460] tmp___0 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___0)) [L470] tmp___2 = __VERIFIER_nondet_int() [L472] COND TRUE \read(tmp___2) [L487] CALL timeShift() [L228] COND FALSE !(\read(pumpRunning)) [L235] COND TRUE \read(systemActive) [L237] CALL processEnvironment() [L283] int tmp ; [L286] COND FALSE !(\read(pumpRunning)) [L301] CALL processEnvironment__wrappee__methaneQuery() [L257] int tmp ; [L260] COND TRUE ! pumpRunning [L262] CALL, EXPR isHighWaterLevel() [L397] int retValue_acc ; [L398] int tmp ; [L399] int tmp___0 ; [L403] CALL, EXPR isHighWaterSensorDry() [L202] int retValue_acc ; [L205] COND TRUE waterLevel < 2 [L206] retValue_acc = 1 [L207] RET return (retValue_acc); [L403] EXPR isHighWaterSensorDry() [L403] tmp = isHighWaterSensorDry() [L405] COND TRUE \read(tmp) [L406] tmp___0 = 0 [L410] retValue_acc = tmp___0 [L411] RET return (retValue_acc); [L262] EXPR isHighWaterLevel() [L262] tmp = isHighWaterLevel() [L264] COND FALSE !(\read(tmp)) [L270] RET, FCALL processEnvironment__wrappee__base() [L301] RET processEnvironment__wrappee__methaneQuery() [L237] processEnvironment() [L243] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L161] int retValue_acc ; [L164] retValue_acc = methaneLevelCritical [L165] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L243] RET __utac_acc__Specification1_spec__1() [L487] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...