./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 764a558f84753bff2f3381f04a56ebf221297041 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:42:32,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:42:32,926 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:42:32,943 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:42:32,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:42:32,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:42:32,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:42:32,948 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:42:32,950 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:42:32,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:42:32,952 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:42:32,952 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:42:32,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:42:32,954 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:42:32,955 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:42:32,956 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:42:32,957 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:42:32,958 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:42:32,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:42:32,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:42:32,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:42:32,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:42:32,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:42:32,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:42:32,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:42:32,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:42:32,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:42:32,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:42:32,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:42:32,972 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:42:32,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:42:32,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:42:32,973 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:42:32,973 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:42:32,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:42:32,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:42:32,975 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:42:32,999 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:42:33,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:42:33,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:42:33,001 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:42:33,001 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:42:33,001 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:42:33,003 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:42:33,003 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:42:33,003 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:42:33,004 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:42:33,004 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:42:33,005 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:42:33,005 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:42:33,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:42:33,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:42:33,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:42:33,006 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:42:33,006 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:42:33,006 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:42:33,006 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:42:33,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:42:33,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:42:33,009 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:42:33,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:33,009 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:42:33,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:42:33,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:42:33,010 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:42:33,010 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:42:33,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:42:33,010 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(G ! call(__VERIFIER_error())) ) 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 -> 764a558f84753bff2f3381f04a56ebf221297041 [2018-11-28 18:42:33,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:42:33,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:42:33,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:42:33,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:42:33,081 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:42:33,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:33,153 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4afe88deb/17fadb4a47834e3ca4cc3f05a08a6b91/FLAGf9dd60385 [2018-11-28 18:42:33,738 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:42:33,739 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:33,763 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4afe88deb/17fadb4a47834e3ca4cc3f05a08a6b91/FLAGf9dd60385 [2018-11-28 18:42:34,007 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4afe88deb/17fadb4a47834e3ca4cc3f05a08a6b91 [2018-11-28 18:42:34,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:42:34,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:42:34,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:34,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:42:34,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:42:34,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4874b7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34, skipping insertion in model container [2018-11-28 18:42:34,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:42:34,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:42:34,540 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:34,555 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:42:34,652 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:34,776 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:42:34,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34 WrapperNode [2018-11-28 18:42:34,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:34,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:34,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:42:34,778 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:42:34,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:34,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:42:34,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:42:34,846 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:42:34,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:42:34,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:42:34,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:42:34,930 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:42:34,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:42:35,010 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:42:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:42:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:42:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:42:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:42:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:42:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:42:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:42:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:42:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:42:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:42:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:42:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:42:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:42:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:42:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:42:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:42:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:42:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:42:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:42:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:42:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:42:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:42:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:42:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:42:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:42:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:42:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:42:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:42:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:42:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:42:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:42:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:42:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:42:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:42:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:42:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:42:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:42:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:42:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:42:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:42:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:42:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:42:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:42:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:42:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:42:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:42:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:42:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:42:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:42:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:42:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:42:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:42:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:42:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:42:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:42:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:42:36,172 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:42:36,172 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:42:36,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:36 BoogieIcfgContainer [2018-11-28 18:42:36,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:42:36,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:42:36,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:42:36,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:42:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:42:34" (1/3) ... [2018-11-28 18:42:36,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1122c4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:36, skipping insertion in model container [2018-11-28 18:42:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (2/3) ... [2018-11-28 18:42:36,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1122c4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:36, skipping insertion in model container [2018-11-28 18:42:36,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:36" (3/3) ... [2018-11-28 18:42:36,183 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:36,195 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:42:36,207 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:42:36,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:42:36,271 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:42:36,272 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:42:36,272 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:42:36,272 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:42:36,273 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:42:36,273 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:42:36,273 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:42:36,273 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:42:36,273 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:42:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-28 18:42:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:42:36,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:36,317 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:36,320 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:36,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:36,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1964690119, now seen corresponding path program 1 times [2018-11-28 18:42:36,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:36,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:36,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:36,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:36,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:36,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:42:36,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:42:36,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:42:36,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:42:36,710 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-28 18:42:36,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:36,762 INFO L93 Difference]: Finished difference Result 260 states and 319 transitions. [2018-11-28 18:42:36,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:42:36,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:42:36,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:36,777 INFO L225 Difference]: With dead ends: 260 [2018-11-28 18:42:36,778 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 18:42:36,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:42:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 18:42:36,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 18:42:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 18:42:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-28 18:42:36,850 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2018-11-28 18:42:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:36,850 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-28 18:42:36,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:42:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-28 18:42:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:42:36,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:36,858 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:36,858 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:36,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:36,859 INFO L82 PathProgramCache]: Analyzing trace with hash -213748810, now seen corresponding path program 1 times [2018-11-28 18:42:36,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:36,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:36,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:36,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:37,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:37,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:42:37,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:42:37,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:42:37,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:37,051 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2018-11-28 18:42:37,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:37,104 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions. [2018-11-28 18:42:37,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:42:37,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:42:37,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:37,111 INFO L225 Difference]: With dead ends: 205 [2018-11-28 18:42:37,112 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 18:42:37,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:37,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 18:42:37,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-28 18:42:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-28 18:42:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-11-28 18:42:37,136 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2018-11-28 18:42:37,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:37,137 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-11-28 18:42:37,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:42:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-11-28 18:42:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:42:37,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:37,140 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:37,141 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:37,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:37,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1180609704, now seen corresponding path program 1 times [2018-11-28 18:42:37,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:37,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:37,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:37,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:37,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:37,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:37,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:42:37,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:42:37,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:42:37,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:37,443 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2018-11-28 18:42:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:38,420 INFO L93 Difference]: Finished difference Result 218 states and 255 transitions. [2018-11-28 18:42:38,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:42:38,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:42:38,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:38,424 INFO L225 Difference]: With dead ends: 218 [2018-11-28 18:42:38,425 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 18:42:38,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:38,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 18:42:38,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-28 18:42:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-28 18:42:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-11-28 18:42:38,460 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2018-11-28 18:42:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:38,460 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-11-28 18:42:38,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:42:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-11-28 18:42:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:42:38,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:38,472 INFO L402 BasicCegarLoop]: trace 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:38,472 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:38,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:38,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1317129100, now seen corresponding path program 1 times [2018-11-28 18:42:38,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:38,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:38,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:38,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:38,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:38,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:38,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:42:38,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:42:38,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:42:38,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:42:38,836 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2018-11-28 18:42:39,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:39,743 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2018-11-28 18:42:39,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:42:39,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 18:42:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:39,748 INFO L225 Difference]: With dead ends: 317 [2018-11-28 18:42:39,749 INFO L226 Difference]: Without dead ends: 220 [2018-11-28 18:42:39,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:42:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-28 18:42:39,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-11-28 18:42:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-28 18:42:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 227 transitions. [2018-11-28 18:42:39,781 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 227 transitions. Word has length 65 [2018-11-28 18:42:39,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:39,782 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 227 transitions. [2018-11-28 18:42:39,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:42:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 227 transitions. [2018-11-28 18:42:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 18:42:39,784 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:39,784 INFO L402 BasicCegarLoop]: trace 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:39,786 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:39,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:39,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1370842121, now seen corresponding path program 1 times [2018-11-28 18:42:39,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:39,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:39,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:39,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:39,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:40,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:40,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:42:40,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:42:40,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:42:40,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:40,910 INFO L87 Difference]: Start difference. First operand 201 states and 227 transitions. Second operand 10 states. [2018-11-28 18:42:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:41,807 INFO L93 Difference]: Finished difference Result 644 states and 795 transitions. [2018-11-28 18:42:41,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:42:41,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-28 18:42:41,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:41,835 INFO L225 Difference]: With dead ends: 644 [2018-11-28 18:42:41,835 INFO L226 Difference]: Without dead ends: 467 [2018-11-28 18:42:41,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:42:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-11-28 18:42:41,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 457. [2018-11-28 18:42:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-11-28 18:42:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 535 transitions. [2018-11-28 18:42:41,901 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 535 transitions. Word has length 79 [2018-11-28 18:42:41,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:41,901 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 535 transitions. [2018-11-28 18:42:41,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:42:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 535 transitions. [2018-11-28 18:42:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-28 18:42:41,908 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:41,908 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2018-11-28 18:42:41,908 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:41,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:41,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1618474708, now seen corresponding path program 1 times [2018-11-28 18:42:41,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:41,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:41,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:41,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:41,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:42:42,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:42,128 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:42,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:42,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:42:42,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:42:42,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 18:42:42,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:42,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:42,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:42,590 INFO L87 Difference]: Start difference. First operand 457 states and 535 transitions. Second operand 6 states. [2018-11-28 18:42:42,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:42,725 INFO L93 Difference]: Finished difference Result 905 states and 1081 transitions. [2018-11-28 18:42:42,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:42:42,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-11-28 18:42:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:42,732 INFO L225 Difference]: With dead ends: 905 [2018-11-28 18:42:42,732 INFO L226 Difference]: Without dead ends: 472 [2018-11-28 18:42:42,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-28 18:42:42,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2018-11-28 18:42:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2018-11-28 18:42:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 551 transitions. [2018-11-28 18:42:42,779 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 551 transitions. Word has length 128 [2018-11-28 18:42:42,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:42,780 INFO L480 AbstractCegarLoop]: Abstraction has 472 states and 551 transitions. [2018-11-28 18:42:42,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 551 transitions. [2018-11-28 18:42:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 18:42:42,785 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:42,785 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:42,785 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:42,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:42,786 INFO L82 PathProgramCache]: Analyzing trace with hash -635217052, now seen corresponding path program 1 times [2018-11-28 18:42:42,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:42,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:42,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:42,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:42,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:42:43,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:43,219 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:43,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:43,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:42:43,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:42:43,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:42:43,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:42:43,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:42:43,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:42:43,730 INFO L87 Difference]: Start difference. First operand 472 states and 551 transitions. Second operand 11 states. [2018-11-28 18:42:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:44,198 INFO L93 Difference]: Finished difference Result 848 states and 1015 transitions. [2018-11-28 18:42:44,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:42:44,199 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2018-11-28 18:42:44,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:44,203 INFO L225 Difference]: With dead ends: 848 [2018-11-28 18:42:44,204 INFO L226 Difference]: Without dead ends: 400 [2018-11-28 18:42:44,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:42:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-11-28 18:42:44,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2018-11-28 18:42:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-11-28 18:42:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 460 transitions. [2018-11-28 18:42:44,241 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 460 transitions. Word has length 132 [2018-11-28 18:42:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:44,241 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 460 transitions. [2018-11-28 18:42:44,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:42:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 460 transitions. [2018-11-28 18:42:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 18:42:44,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:44,246 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2018-11-28 18:42:44,247 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:44,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1960414211, now seen corresponding path program 1 times [2018-11-28 18:42:44,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:44,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:44,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:44,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:44,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 18:42:44,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:44,446 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:44,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:44,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:44,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:42:44,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:42:44,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:44,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:44,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:44,730 INFO L87 Difference]: Start difference. First operand 400 states and 460 transitions. Second operand 6 states. [2018-11-28 18:42:47,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:47,263 INFO L93 Difference]: Finished difference Result 843 states and 1010 transitions. [2018-11-28 18:42:47,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:42:47,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-28 18:42:47,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:47,275 INFO L225 Difference]: With dead ends: 843 [2018-11-28 18:42:47,277 INFO L226 Difference]: Without dead ends: 528 [2018-11-28 18:42:47,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:47,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-28 18:42:47,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 479. [2018-11-28 18:42:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-11-28 18:42:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 556 transitions. [2018-11-28 18:42:47,330 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 556 transitions. Word has length 136 [2018-11-28 18:42:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:47,331 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 556 transitions. [2018-11-28 18:42:47,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 556 transitions. [2018-11-28 18:42:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 18:42:47,335 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:47,335 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:47,336 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:47,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:47,337 INFO L82 PathProgramCache]: Analyzing trace with hash 882637187, now seen corresponding path program 1 times [2018-11-28 18:42:47,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:47,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:47,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:47,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:47,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 18:42:47,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:47,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:42:47,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:42:47,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:42:47,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:42:47,589 INFO L87 Difference]: Start difference. First operand 479 states and 556 transitions. Second operand 9 states. [2018-11-28 18:42:49,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:49,879 INFO L93 Difference]: Finished difference Result 1286 states and 1524 transitions. [2018-11-28 18:42:49,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:42:49,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 132 [2018-11-28 18:42:49,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:49,886 INFO L225 Difference]: With dead ends: 1286 [2018-11-28 18:42:49,886 INFO L226 Difference]: Without dead ends: 831 [2018-11-28 18:42:49,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:42:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-11-28 18:42:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 828. [2018-11-28 18:42:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 18:42:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 954 transitions. [2018-11-28 18:42:49,947 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 954 transitions. Word has length 132 [2018-11-28 18:42:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:49,951 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 954 transitions. [2018-11-28 18:42:49,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:42:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 954 transitions. [2018-11-28 18:42:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 18:42:49,956 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:49,956 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:49,957 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:49,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:49,957 INFO L82 PathProgramCache]: Analyzing trace with hash -585500385, now seen corresponding path program 1 times [2018-11-28 18:42:49,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:49,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:49,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:49,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:49,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 18:42:50,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:50,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:42:50,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:50,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:50,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:50,150 INFO L87 Difference]: Start difference. First operand 828 states and 954 transitions. Second operand 6 states. [2018-11-28 18:42:50,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:50,360 INFO L93 Difference]: Finished difference Result 841 states and 967 transitions. [2018-11-28 18:42:50,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:42:50,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-28 18:42:50,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:50,369 INFO L225 Difference]: With dead ends: 841 [2018-11-28 18:42:50,369 INFO L226 Difference]: Without dead ends: 838 [2018-11-28 18:42:50,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:42:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-11-28 18:42:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 828. [2018-11-28 18:42:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 18:42:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 951 transitions. [2018-11-28 18:42:50,429 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 951 transitions. Word has length 136 [2018-11-28 18:42:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:50,430 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 951 transitions. [2018-11-28 18:42:50,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 951 transitions. [2018-11-28 18:42:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 18:42:50,436 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:50,436 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:50,436 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:50,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:50,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1430767807, now seen corresponding path program 1 times [2018-11-28 18:42:50,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:50,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:50,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:50,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:50,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 18:42:50,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:50,814 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:50,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:50,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:51,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:42:51,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-28 18:42:51,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 18:42:51,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 18:42:51,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-28 18:42:51,344 INFO L87 Difference]: Start difference. First operand 828 states and 951 transitions. Second operand 15 states. [2018-11-28 18:42:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:53,569 INFO L93 Difference]: Finished difference Result 1947 states and 2486 transitions. [2018-11-28 18:42:53,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 18:42:53,570 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-11-28 18:42:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:53,579 INFO L225 Difference]: With dead ends: 1947 [2018-11-28 18:42:53,579 INFO L226 Difference]: Without dead ends: 1269 [2018-11-28 18:42:53,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-11-28 18:42:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2018-11-28 18:42:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 946. [2018-11-28 18:42:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-11-28 18:42:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1089 transitions. [2018-11-28 18:42:53,660 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1089 transitions. Word has length 136 [2018-11-28 18:42:53,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:53,660 INFO L480 AbstractCegarLoop]: Abstraction has 946 states and 1089 transitions. [2018-11-28 18:42:53,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 18:42:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1089 transitions. [2018-11-28 18:42:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-28 18:42:53,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:53,666 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1] [2018-11-28 18:42:53,667 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:53,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:53,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1586802669, now seen corresponding path program 2 times [2018-11-28 18:42:53,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:53,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:53,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:53,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:53,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:53,977 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:42:54,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:42:54 BoogieIcfgContainer [2018-11-28 18:42:54,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:42:54,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:42:54,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:42:54,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:42:54,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:36" (3/4) ... [2018-11-28 18:42:54,281 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:42:54,596 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:42:54,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:42:54,598 INFO L168 Benchmark]: Toolchain (without parser) took 20584.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 952.7 MB in the beginning and 962.4 MB in the end (delta: -9.7 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:54,599 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:42:54,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:54,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.06 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:54,601 INFO L168 Benchmark]: Boogie Preprocessor took 79.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:42:54,601 INFO L168 Benchmark]: RCFGBuilder took 1247.16 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:54,601 INFO L168 Benchmark]: TraceAbstraction took 18101.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 211.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:54,602 INFO L168 Benchmark]: Witness Printer took 320.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 962.4 MB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:54,606 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 761.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.06 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1247.16 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18101.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 211.7 MB. Max. memory is 11.5 GB. * Witness Printer took 320.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 962.4 MB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 247]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L349] int pumpRunning = 0; [L350] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L281] int splverifierCounter ; [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L288] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L298] tmp = __VERIFIER_nondet_int() [L300] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L302] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE waterLevel < 2 [L168] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L414] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L388] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L390] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] int retValue_acc ; [L509] int tmp ; [L510] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L514] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L229] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(waterLevel < 2) [L236] retValue_acc = 0 [L237] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L514] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L514] tmp = isHighWaterSensorDry() [L516] COND FALSE !(\read(tmp)) [L519] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L521] retValue_acc = tmp___0 [L522] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L390] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L390] tmp = isHighWaterLevel() [L392] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L394] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L394] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L429] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L371] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L335] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L356] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L358] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L358] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L414] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L424] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L388] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L403] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L424] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L371] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L335] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L290] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L292] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L335] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L356] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L358] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L358] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L363] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L365] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L414] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L416] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L416] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L424] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L385] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L388] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L403] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L424] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L365] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L371] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L254] int tmp ; [L255] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L259] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] tmp = getWaterLevel() [L261] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L263] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L463] int retValue_acc ; [L466] retValue_acc = pumpRunning [L467] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L263] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L263] tmp___0 = isPumpRunning() [L265] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L267] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L247] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. UNSAFE Result, 18.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1809 SDtfs, 1663 SDslu, 4898 SDs, 0 SdLazy, 2972 SolverSat, 741 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 677 GetRequests, 569 SyntacticMatches, 4 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 414 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1809 NumberOfCodeBlocks, 1809 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1606 ConstructedInterpolants, 0 QuantifiedInterpolants, 284214 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3305 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 243/266 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...