/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:55:09,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:55:09,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:55:09,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:55:09,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:55:09,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:55:09,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:55:09,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:55:09,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:55:09,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:55:09,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:55:09,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:55:09,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:55:09,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:55:09,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:55:09,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:55:09,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:55:09,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:55:09,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:55:09,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:55:09,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:55:09,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:55:09,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:55:09,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:55:09,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:55:09,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:55:09,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:55:09,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:55:09,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:55:09,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:55:09,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:55:09,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:55:09,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:55:09,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:55:09,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:55:09,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:55:09,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:55:09,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:55:09,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:55:09,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:55:09,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:55:09,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 20:55:09,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:55:09,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:55:09,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:55:09,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:55:09,886 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:55:09,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:55:09,887 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:55:09,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:55:09,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:55:09,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:55:09,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:55:09,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:55:09,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:55:09,888 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:55:09,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:55:09,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:55:09,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:55:09,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:55:09,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:55:09,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:55:09,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:55:09,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:55:09,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:55:09,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:55:09,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:55:09,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:55:09,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:55:09,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:55:09,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:55:09,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:55:10,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:55:10,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:55:10,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:55:10,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:55:10,182 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:55:10,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-07-19 20:55:10,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257c1d4a5/37567503c1aa4825821b0b5aa72219fd/FLAGc01a1d1b1 [2020-07-19 20:55:10,825 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:55:10,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-07-19 20:55:10,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257c1d4a5/37567503c1aa4825821b0b5aa72219fd/FLAGc01a1d1b1 [2020-07-19 20:55:11,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257c1d4a5/37567503c1aa4825821b0b5aa72219fd [2020-07-19 20:55:11,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:55:11,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:55:11,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:55:11,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:55:11,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:55:11,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98d2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11, skipping insertion in model container [2020-07-19 20:55:11,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:55:11,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:55:11,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:55:11,631 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:55:11,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:55:11,746 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:55:11,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11 WrapperNode [2020-07-19 20:55:11,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:55:11,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:55:11,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:55:11,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:55:11,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (1/1) ... [2020-07-19 20:55:11,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:55:11,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:55:11,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:55:11,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:55:11,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (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 [2020-07-19 20:55:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:55:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:55:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:55:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:55:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:55:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:55:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:55:11,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:55:11,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:55:11,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:55:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:55:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:55:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:55:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:55:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:55:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 20:55:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:55:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:55:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 20:55:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:55:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 20:55:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:55:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:55:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:55:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:55:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:55:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 20:55:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 20:55:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:55:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-19 20:55:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:55:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:55:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:55:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:55:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:55:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:55:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:55:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:55:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:55:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:55:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:55:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:55:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:55:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:55:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:55:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:55:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:55:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:55:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:55:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:55:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:55:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:55:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 20:55:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 20:55:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:55:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:55:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:55:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:55:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:55:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:55:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:55:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-19 20:55:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:55:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 20:55:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 20:55:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 20:55:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:55:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:55:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:55:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:55:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:55:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:55:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:55:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:55:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:55:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:55:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:55:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:55:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:55:13,033 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:55:13,034 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:55:13,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:55:13 BoogieIcfgContainer [2020-07-19 20:55:13,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:55:13,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:55:13,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:55:13,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:55:13,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:55:11" (1/3) ... [2020-07-19 20:55:13,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:55:13, skipping insertion in model container [2020-07-19 20:55:13,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:11" (2/3) ... [2020-07-19 20:55:13,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:55:13, skipping insertion in model container [2020-07-19 20:55:13,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:55:13" (3/3) ... [2020-07-19 20:55:13,047 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2020-07-19 20:55:13,058 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:55:13,065 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:55:13,078 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:55:13,098 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:55:13,098 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:55:13,098 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:55:13,098 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:55:13,099 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:55:13,099 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:55:13,099 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:55:13,099 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:55:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-07-19 20:55:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 20:55:13,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:13,137 INFO L422 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] [2020-07-19 20:55:13,138 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:13,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1542772809, now seen corresponding path program 1 times [2020-07-19 20:55:13,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:13,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078392728] [2020-07-19 20:55:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:13,871 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:14,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078392728] [2020-07-19 20:55:14,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:14,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 20:55:14,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726763587] [2020-07-19 20:55:14,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 20:55:14,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:14,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 20:55:14,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:55:14,073 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-07-19 20:55:15,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:15,136 INFO L93 Difference]: Finished difference Result 284 states and 371 transitions. [2020-07-19 20:55:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 20:55:15,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 20:55:15,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:15,152 INFO L225 Difference]: With dead ends: 284 [2020-07-19 20:55:15,152 INFO L226 Difference]: Without dead ends: 154 [2020-07-19 20:55:15,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:55:15,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-19 20:55:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 121. [2020-07-19 20:55:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-19 20:55:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2020-07-19 20:55:15,247 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 46 [2020-07-19 20:55:15,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:15,249 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2020-07-19 20:55:15,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 20:55:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2020-07-19 20:55:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 20:55:15,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:15,256 INFO L422 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] [2020-07-19 20:55:15,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:55:15,256 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:15,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:15,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1355296267, now seen corresponding path program 1 times [2020-07-19 20:55:15,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:15,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724623488] [2020-07-19 20:55:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,686 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:15,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724623488] [2020-07-19 20:55:15,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:15,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:55:15,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854824940] [2020-07-19 20:55:15,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:55:15,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:15,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:55:15,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:55:15,756 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 4 states. [2020-07-19 20:55:16,178 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:16,898 INFO L93 Difference]: Finished difference Result 213 states and 258 transitions. [2020-07-19 20:55:16,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 20:55:16,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 20:55:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:16,902 INFO L225 Difference]: With dead ends: 213 [2020-07-19 20:55:16,902 INFO L226 Difference]: Without dead ends: 138 [2020-07-19 20:55:16,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:55:16,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-19 20:55:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 112. [2020-07-19 20:55:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-19 20:55:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2020-07-19 20:55:16,940 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 47 [2020-07-19 20:55:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:16,941 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2020-07-19 20:55:16,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:55:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2020-07-19 20:55:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:55:16,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:16,943 INFO L422 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] [2020-07-19 20:55:16,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:55:16,944 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:16,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:16,944 INFO L82 PathProgramCache]: Analyzing trace with hash 604849678, now seen corresponding path program 1 times [2020-07-19 20:55:16,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:16,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147801275] [2020-07-19 20:55:16,945 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,273 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:17,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147801275] [2020-07-19 20:55:17,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:17,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:55:17,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926114944] [2020-07-19 20:55:17,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:17,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:17,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:17,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:55:17,348 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 8 states. [2020-07-19 20:55:17,748 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:18,044 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:18,337 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:18,576 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:19,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:19,657 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2020-07-19 20:55:19,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:55:19,658 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 20:55:19,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:19,661 INFO L225 Difference]: With dead ends: 226 [2020-07-19 20:55:19,661 INFO L226 Difference]: Without dead ends: 138 [2020-07-19 20:55:19,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:55:19,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-19 20:55:19,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 112. [2020-07-19 20:55:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-19 20:55:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2020-07-19 20:55:19,697 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 52 [2020-07-19 20:55:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:19,697 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2020-07-19 20:55:19,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:19,698 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2020-07-19 20:55:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 20:55:19,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:19,700 INFO L422 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] [2020-07-19 20:55:19,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:55:19,700 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:19,701 INFO L82 PathProgramCache]: Analyzing trace with hash 2012335283, now seen corresponding path program 1 times [2020-07-19 20:55:19,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:19,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83754307] [2020-07-19 20:55:19,701 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:19,981 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:20,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83754307] [2020-07-19 20:55:20,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:20,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 20:55:20,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328845736] [2020-07-19 20:55:20,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 20:55:20,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:20,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 20:55:20,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 20:55:20,070 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 6 states. [2020-07-19 20:55:20,425 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:21,557 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:22,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:22,154 INFO L93 Difference]: Finished difference Result 314 states and 386 transitions. [2020-07-19 20:55:22,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 20:55:22,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-19 20:55:22,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:22,160 INFO L225 Difference]: With dead ends: 314 [2020-07-19 20:55:22,160 INFO L226 Difference]: Without dead ends: 226 [2020-07-19 20:55:22,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:55:22,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-19 20:55:22,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 183. [2020-07-19 20:55:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-07-19 20:55:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 209 transitions. [2020-07-19 20:55:22,206 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 209 transitions. Word has length 60 [2020-07-19 20:55:22,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:22,207 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 209 transitions. [2020-07-19 20:55:22,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 20:55:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2020-07-19 20:55:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-19 20:55:22,209 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:22,210 INFO L422 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] [2020-07-19 20:55:22,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:55:22,210 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash 471487289, now seen corresponding path program 1 times [2020-07-19 20:55:22,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:22,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680052761] [2020-07-19 20:55:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,486 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:22,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680052761] [2020-07-19 20:55:22,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:22,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:55:22,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689825] [2020-07-19 20:55:22,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:22,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:22,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:22,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:55:22,577 INFO L87 Difference]: Start difference. First operand 183 states and 209 transitions. Second operand 8 states. [2020-07-19 20:55:23,013 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:24,043 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:24,361 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:24,872 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:25,112 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:25,381 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:26,149 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2020-07-19 20:55:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 20:55:26,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2020-07-19 20:55:26,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:26,154 INFO L225 Difference]: With dead ends: 547 [2020-07-19 20:55:26,155 INFO L226 Difference]: Without dead ends: 388 [2020-07-19 20:55:26,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 20:55:26,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-07-19 20:55:26,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 321. [2020-07-19 20:55:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-07-19 20:55:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 368 transitions. [2020-07-19 20:55:26,231 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 368 transitions. Word has length 74 [2020-07-19 20:55:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:26,232 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 368 transitions. [2020-07-19 20:55:26,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 368 transitions. [2020-07-19 20:55:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-19 20:55:26,234 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:26,234 INFO L422 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] [2020-07-19 20:55:26,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:55:26,235 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:26,235 INFO L82 PathProgramCache]: Analyzing trace with hash -968585995, now seen corresponding path program 1 times [2020-07-19 20:55:26,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:26,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43398552] [2020-07-19 20:55:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,496 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:26,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43398552] [2020-07-19 20:55:26,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:26,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:55:26,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836617149] [2020-07-19 20:55:26,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:55:26,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:26,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:55:26,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:55:26,617 INFO L87 Difference]: Start difference. First operand 321 states and 368 transitions. Second operand 9 states. [2020-07-19 20:55:27,073 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:28,167 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:28,430 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:29,272 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:29,553 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:29,782 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:30,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:30,028 INFO L93 Difference]: Finished difference Result 430 states and 544 transitions. [2020-07-19 20:55:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 20:55:30,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2020-07-19 20:55:30,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:30,032 INFO L225 Difference]: With dead ends: 430 [2020-07-19 20:55:30,033 INFO L226 Difference]: Without dead ends: 427 [2020-07-19 20:55:30,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 20:55:30,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-07-19 20:55:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 321. [2020-07-19 20:55:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-07-19 20:55:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 367 transitions. [2020-07-19 20:55:30,105 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 367 transitions. Word has length 78 [2020-07-19 20:55:30,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:30,105 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 367 transitions. [2020-07-19 20:55:30,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:55:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 367 transitions. [2020-07-19 20:55:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-19 20:55:30,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:30,108 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 20:55:30,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 20:55:30,108 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:30,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:30,109 INFO L82 PathProgramCache]: Analyzing trace with hash 662445521, now seen corresponding path program 1 times [2020-07-19 20:55:30,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:30,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471841992] [2020-07-19 20:55:30,109 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,342 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:55:30,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471841992] [2020-07-19 20:55:30,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:30,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:55:30,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544075223] [2020-07-19 20:55:30,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:55:30,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:30,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:55:30,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:55:30,467 INFO L87 Difference]: Start difference. First operand 321 states and 367 transitions. Second operand 9 states. [2020-07-19 20:55:31,430 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:31,682 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:55:31,921 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:32,152 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:33,122 INFO L93 Difference]: Finished difference Result 732 states and 917 transitions. [2020-07-19 20:55:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 20:55:33,123 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-07-19 20:55:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:33,126 INFO L225 Difference]: With dead ends: 732 [2020-07-19 20:55:33,126 INFO L226 Difference]: Without dead ends: 435 [2020-07-19 20:55:33,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 20:55:33,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-07-19 20:55:33,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 331. [2020-07-19 20:55:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-07-19 20:55:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 377 transitions. [2020-07-19 20:55:33,213 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 377 transitions. Word has length 94 [2020-07-19 20:55:33,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:33,213 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 377 transitions. [2020-07-19 20:55:33,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:55:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 377 transitions. [2020-07-19 20:55:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-19 20:55:33,215 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:33,216 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 20:55:33,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 20:55:33,216 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:33,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:33,216 INFO L82 PathProgramCache]: Analyzing trace with hash -234947757, now seen corresponding path program 1 times [2020-07-19 20:55:33,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:33,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309665809] [2020-07-19 20:55:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,472 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:55:33,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309665809] [2020-07-19 20:55:33,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:33,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 20:55:33,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000148822] [2020-07-19 20:55:33,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 20:55:33,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:33,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 20:55:33,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 20:55:33,642 INFO L87 Difference]: Start difference. First operand 331 states and 377 transitions. Second operand 11 states. [2020-07-19 20:55:34,316 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:34,543 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:34,766 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:35,353 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:35,609 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:35,852 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:36,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:36,889 INFO L93 Difference]: Finished difference Result 752 states and 939 transitions. [2020-07-19 20:55:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 20:55:36,891 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-07-19 20:55:36,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:36,897 INFO L225 Difference]: With dead ends: 752 [2020-07-19 20:55:36,897 INFO L226 Difference]: Without dead ends: 445 [2020-07-19 20:55:36,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 20:55:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-07-19 20:55:36,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 339. [2020-07-19 20:55:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-07-19 20:55:36,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 385 transitions. [2020-07-19 20:55:36,973 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 385 transitions. Word has length 94 [2020-07-19 20:55:36,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:36,973 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 385 transitions. [2020-07-19 20:55:36,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 20:55:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 385 transitions. [2020-07-19 20:55:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-19 20:55:36,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:36,976 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 20:55:36,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 20:55:36,976 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:36,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:36,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1735991700, now seen corresponding path program 1 times [2020-07-19 20:55:36,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:36,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963151082] [2020-07-19 20:55:36,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,216 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:55:37,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963151082] [2020-07-19 20:55:37,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:37,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 20:55:37,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220981715] [2020-07-19 20:55:37,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 20:55:37,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:37,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 20:55:37,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:55:37,326 INFO L87 Difference]: Start difference. First operand 339 states and 385 transitions. Second operand 7 states. [2020-07-19 20:55:37,821 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:38,374 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:40,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:40,261 INFO L93 Difference]: Finished difference Result 1074 states and 1381 transitions. [2020-07-19 20:55:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:55:40,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-07-19 20:55:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:40,275 INFO L225 Difference]: With dead ends: 1074 [2020-07-19 20:55:40,275 INFO L226 Difference]: Without dead ends: 759 [2020-07-19 20:55:40,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 20:55:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-07-19 20:55:40,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 639. [2020-07-19 20:55:40,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-07-19 20:55:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 751 transitions. [2020-07-19 20:55:40,431 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 751 transitions. Word has length 94 [2020-07-19 20:55:40,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:40,434 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 751 transitions. [2020-07-19 20:55:40,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 20:55:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 751 transitions. [2020-07-19 20:55:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 20:55:40,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:40,438 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 20:55:40,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 20:55:40,438 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:40,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:40,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1966005102, now seen corresponding path program 1 times [2020-07-19 20:55:40,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:40,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936640513] [2020-07-19 20:55:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,727 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 20:55:41,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936640513] [2020-07-19 20:55:41,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246702959] [2020-07-19 20:55:41,040 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:55:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:41,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:55:41,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:55:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:41,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:55:41,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-19 20:55:41,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798638595] [2020-07-19 20:55:41,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:41,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:41,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:41,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-07-19 20:55:41,391 INFO L87 Difference]: Start difference. First operand 639 states and 751 transitions. Second operand 8 states. [2020-07-19 20:55:41,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:41,877 INFO L93 Difference]: Finished difference Result 1222 states and 1445 transitions. [2020-07-19 20:55:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:55:41,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-19 20:55:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:41,882 INFO L225 Difference]: With dead ends: 1222 [2020-07-19 20:55:41,882 INFO L226 Difference]: Without dead ends: 607 [2020-07-19 20:55:41,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-07-19 20:55:41,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-07-19 20:55:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2020-07-19 20:55:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-07-19 20:55:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 700 transitions. [2020-07-19 20:55:42,009 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 700 transitions. Word has length 98 [2020-07-19 20:55:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:42,010 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 700 transitions. [2020-07-19 20:55:42,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 700 transitions. [2020-07-19 20:55:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-19 20:55:42,012 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:42,012 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-19 20:55:42,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 20:55:42,226 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash 451842310, now seen corresponding path program 1 times [2020-07-19 20:55:42,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:42,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881247792] [2020-07-19 20:55:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3578c882 [2020-07-19 20:55:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 20:55:42,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 20:55:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 20:55:42,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 20:55:42,535 INFO L174 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2020-07-19 20:55:42,536 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 20:55:42,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-19 20:55:42,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:55:42 BoogieIcfgContainer [2020-07-19 20:55:42,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:55:42,789 INFO L168 Benchmark]: Toolchain (without parser) took 31683.39 ms. Allocated memory was 146.3 MB in the beginning and 618.7 MB in the end (delta: 472.4 MB). Free memory was 102.0 MB in the beginning and 203.9 MB in the end (delta: -101.9 MB). Peak memory consumption was 370.4 MB. Max. memory is 7.1 GB. [2020-07-19 20:55:42,791 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 20:55:42,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.33 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 171.2 MB in the end (delta: -69.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-07-19 20:55:42,797 INFO L168 Benchmark]: Boogie Preprocessor took 137.67 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:55:42,797 INFO L168 Benchmark]: RCFGBuilder took 1154.05 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 194.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-19 20:55:42,800 INFO L168 Benchmark]: TraceAbstraction took 29746.18 ms. Allocated memory was 235.9 MB in the beginning and 618.7 MB in the end (delta: 382.7 MB). Free memory was 193.0 MB in the beginning and 203.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 371.8 MB. Max. memory is 7.1 GB. [2020-07-19 20:55:42,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.33 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 171.2 MB in the end (delta: -69.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.67 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.05 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 194.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29746.18 ms. Allocated memory was 235.9 MB in the beginning and 618.7 MB in the end (delta: 382.7 MB). Free memory was 193.0 MB in the beginning and 203.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 371.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=160, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] int retValue_acc ; [L907] 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] [L911] 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] [L912] 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] [L913] 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] [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] 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] [L913] 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] [L913] tmp = valid_product() [L915] 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] [L917] 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] [L918] 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] [L900] 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] [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] 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] [L520] 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] [L522] 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] [L528] tmp = __VERIFIER_nondet_int() [L530] 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] [L532] 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] [L431] COND TRUE waterLevel < 2 [L432] 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] [L532] 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] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] 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] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] 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] [L565] 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] [L589] 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] [L596] 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] [L598] 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] [L618] 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] [L621] 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] [L623] 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] [L733] int retValue_acc ; [L734] int tmp ; [L735] 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] [L739] 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] [L493] 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] [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] 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] [L739] 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] [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] 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] [L746] retValue_acc = tmp___0 [L747] 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] [L623] 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] [L623] tmp = isHighWaterLevel() [L625] 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] [L627] 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] [L652] 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] [L656] CALL, EXPR isMethaneAlarm() 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] [L677] 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] [L681] CALL, EXPR isMethaneLevelCritical() 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] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] 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] [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] 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] [L656] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\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=0, waterLevel=2] [L662] CALL activatePump__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] [L646] 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] [L662] RET activatePump__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, tmp=0, waterLevel=2] [L627] 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] [L598] 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] [L604] CALL __utac_acc__Specification1_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] [L770] int tmp ; [L771] 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] [L775] CALL, EXPR isMethaneLevelCritical() 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] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] 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=1, retValue_acc=0, systemActive=1, waterLevel=2] [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) 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=0, waterLevel=2] [L604] RET __utac_acc__Specification1_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] [L565] 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] [L520] 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] [L522] 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] [L528] tmp = __VERIFIER_nondet_int() [L530] 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] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \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=1, tmp___1=1, tmp___2=0, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L542] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L565] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L591] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L591] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L604] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L779] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L779] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L783] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1248 SDtfs, 1668 SDslu, 1767 SDs, 0 SdLazy, 4913 SolverSat, 1041 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 343 SyntacticMatches, 4 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=639occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 631 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 824 ConstructedInterpolants, 0 QuantifiedInterpolants, 252063 SizeOfPredicates, 3 NumberOfNonLiveVariables, 772 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...