/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:37:33,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:37:33,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:37:33,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:37:33,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:37:33,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:37:33,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:37:33,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:37:33,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:37:33,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:37:33,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:37:33,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:37:33,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:37:33,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:37:33,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:37:33,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:37:33,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:37:33,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:37:33,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:37:33,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:37:33,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:37:33,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:37:33,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:37:33,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:37:33,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:37:33,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:37:33,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:37:33,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:37:33,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:37:33,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:37:33,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:37:33,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:37:33,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:37:33,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:37:33,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:37:33,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:37:33,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:37:33,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:37:33,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:37:33,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:37:33,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:37:33,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:37:33,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:37:33,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:37:33,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:37:33,590 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:37:33,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:37:33,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:37:33,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:37:33,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:37:33,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:37:33,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:37:33,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:37:33,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:37:33,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:37:33,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:37:33,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:37:33,592 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:37:33,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:37:33,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:37:33,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:37:33,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:37:33,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:37:33,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:37:33,594 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 20:37:34,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:37:34,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:37:34,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:37:34,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:37:34,045 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:37:34,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-09-04 20:37:34,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1671b0a/7ccc02afdf2d4ddeb4c25491b16cb228/FLAG1e786f8b7 [2020-09-04 20:37:34,702 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:37:34,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-09-04 20:37:34,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1671b0a/7ccc02afdf2d4ddeb4c25491b16cb228/FLAG1e786f8b7 [2020-09-04 20:37:34,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1671b0a/7ccc02afdf2d4ddeb4c25491b16cb228 [2020-09-04 20:37:35,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:37:35,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:37:35,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:35,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:37:35,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:37:35,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:34" (1/1) ... [2020-09-04 20:37:35,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35, skipping insertion in model container [2020-09-04 20:37:35,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:34" (1/1) ... [2020-09-04 20:37:35,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:37:35,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:37:35,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:35,622 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:37:35,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:35,793 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:37:35,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35 WrapperNode [2020-09-04 20:37:35,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:35,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:37:35,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:37:35,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:37:35,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... [2020-09-04 20:37:35,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:37:35,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:37:35,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:37:35,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:37:35,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:37:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:37:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:37:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:37:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:37:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:37:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:37:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:37:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:37:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:37:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:37:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:37:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:37:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:37:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:37:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:37:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:37:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:37:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:37:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:37:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:37:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:37:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:37:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:37:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:37:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:37:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:37:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:37:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:37:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:37:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:37:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:37:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:37:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:37:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:37:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:37:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:37:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:37:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:37:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:37:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:37:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:37:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:37:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:37:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:37:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:37:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:37:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:37:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:37:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:37:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:37:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:37:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:37:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:37:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:37:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:37:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:37:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:37:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:37:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:37:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:37:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:37:37,089 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:37:37,089 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:37:37,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:37 BoogieIcfgContainer [2020-09-04 20:37:37,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:37:37,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:37:37,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:37:37,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:37:37,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:37:34" (1/3) ... [2020-09-04 20:37:37,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afd853e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:37, skipping insertion in model container [2020-09-04 20:37:37,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:35" (2/3) ... [2020-09-04 20:37:37,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afd853e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:37, skipping insertion in model container [2020-09-04 20:37:37,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:37" (3/3) ... [2020-09-04 20:37:37,106 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-09-04 20:37:37,117 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:37:37,129 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:37:37,150 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:37:37,176 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:37:37,176 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:37:37,176 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:37:37,177 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:37:37,177 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:37:37,177 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:37:37,177 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:37:37,177 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:37:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-04 20:37:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-04 20:37:37,224 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:37,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:37,226 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:37,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:37,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1518186743, now seen corresponding path program 1 times [2020-09-04 20:37:37,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:37,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525173144] [2020-09-04 20:37:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,048 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:38,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:38,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525173144] [2020-09-04 20:37:38,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:38,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:37:38,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064405118] [2020-09-04 20:37:38,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:37:38,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:38,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:37:38,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:38,327 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-09-04 20:37:39,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:39,586 INFO L93 Difference]: Finished difference Result 468 states and 552 transitions. [2020-09-04 20:37:39,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 20:37:39,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-04 20:37:39,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:39,609 INFO L225 Difference]: With dead ends: 468 [2020-09-04 20:37:39,609 INFO L226 Difference]: Without dead ends: 300 [2020-09-04 20:37:39,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:39,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-04 20:37:39,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-04 20:37:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-04 20:37:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-04 20:37:39,769 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 148 [2020-09-04 20:37:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:39,771 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-04 20:37:39,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:37:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-04 20:37:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-04 20:37:39,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:39,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:39,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:37:39,777 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:39,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:39,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1991313851, now seen corresponding path program 1 times [2020-09-04 20:37:39,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:39,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785819769] [2020-09-04 20:37:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,155 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-04 20:37:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:37:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:40,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785819769] [2020-09-04 20:37:40,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:40,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 20:37:40,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539040920] [2020-09-04 20:37:40,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 20:37:40,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:40,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 20:37:40,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:37:40,293 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-09-04 20:37:40,958 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:41,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:41,922 INFO L93 Difference]: Finished difference Result 397 states and 447 transitions. [2020-09-04 20:37:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 20:37:41,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-04 20:37:41,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:41,927 INFO L225 Difference]: With dead ends: 397 [2020-09-04 20:37:41,928 INFO L226 Difference]: Without dead ends: 289 [2020-09-04 20:37:41,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:41,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-04 20:37:42,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-04 20:37:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-04 20:37:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-04 20:37:42,005 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 149 [2020-09-04 20:37:42,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:42,006 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-04 20:37:42,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 20:37:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-04 20:37:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-04 20:37:42,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:42,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:42,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:37:42,010 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:42,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:42,010 INFO L82 PathProgramCache]: Analyzing trace with hash 263225803, now seen corresponding path program 1 times [2020-09-04 20:37:42,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:42,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12167209] [2020-09-04 20:37:42,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,451 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 20:37:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:42,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12167209] [2020-09-04 20:37:42,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:42,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:42,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106561355] [2020-09-04 20:37:42,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:42,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:42,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:42,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:42,639 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 10 states. [2020-09-04 20:37:43,166 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:43,601 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:43,899 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:44,220 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:44,548 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:44,893 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:46,467 INFO L93 Difference]: Finished difference Result 417 states and 473 transitions. [2020-09-04 20:37:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 20:37:46,471 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-09-04 20:37:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:46,474 INFO L225 Difference]: With dead ends: 417 [2020-09-04 20:37:46,474 INFO L226 Difference]: Without dead ends: 289 [2020-09-04 20:37:46,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 20:37:46,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-04 20:37:46,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-04 20:37:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-04 20:37:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-09-04 20:37:46,554 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 158 [2020-09-04 20:37:46,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:46,555 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-09-04 20:37:46,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:37:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-09-04 20:37:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 20:37:46,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:46,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:46,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:37:46,559 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:46,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:46,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1554497374, now seen corresponding path program 1 times [2020-09-04 20:37:46,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:46,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072764069] [2020-09-04 20:37:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,926 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:46,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:37:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:37:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 20:37:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:47,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072764069] [2020-09-04 20:37:47,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:47,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 20:37:47,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956135261] [2020-09-04 20:37:47,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 20:37:47,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:47,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 20:37:47,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:47,123 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-09-04 20:37:47,761 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:49,230 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:50,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:50,012 INFO L93 Difference]: Finished difference Result 547 states and 628 transitions. [2020-09-04 20:37:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 20:37:50,012 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-04 20:37:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:50,021 INFO L225 Difference]: With dead ends: 547 [2020-09-04 20:37:50,021 INFO L226 Difference]: Without dead ends: 419 [2020-09-04 20:37:50,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:37:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-04 20:37:50,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 348. [2020-09-04 20:37:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-09-04 20:37:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 377 transitions. [2020-09-04 20:37:50,226 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 377 transitions. Word has length 166 [2020-09-04 20:37:50,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:50,227 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 377 transitions. [2020-09-04 20:37:50,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 20:37:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 377 transitions. [2020-09-04 20:37:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-04 20:37:50,232 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:50,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:50,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:37:50,233 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:50,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:50,234 INFO L82 PathProgramCache]: Analyzing trace with hash 590655546, now seen corresponding path program 1 times [2020-09-04 20:37:50,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:50,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388800488] [2020-09-04 20:37:50,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,679 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:37:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-04 20:37:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:37:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:50,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388800488] [2020-09-04 20:37:50,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:50,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:50,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244241458] [2020-09-04 20:37:50,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:50,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:50,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:50,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:50,966 INFO L87 Difference]: Start difference. First operand 348 states and 377 transitions. Second operand 10 states. [2020-09-04 20:37:51,646 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:53,237 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:53,577 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:53,949 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:54,250 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:54,843 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:55,093 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:55,357 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:55,713 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:56,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:56,525 INFO L93 Difference]: Finished difference Result 878 states and 1025 transitions. [2020-09-04 20:37:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:37:56,528 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-09-04 20:37:56,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:56,536 INFO L225 Difference]: With dead ends: 878 [2020-09-04 20:37:56,537 INFO L226 Difference]: Without dead ends: 645 [2020-09-04 20:37:56,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:37:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-09-04 20:37:56,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 535. [2020-09-04 20:37:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-09-04 20:37:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 585 transitions. [2020-09-04 20:37:56,748 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 585 transitions. Word has length 190 [2020-09-04 20:37:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:56,748 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 585 transitions. [2020-09-04 20:37:56,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:37:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 585 transitions. [2020-09-04 20:37:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-04 20:37:56,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:56,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:56,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:37:56,753 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2059893013, now seen corresponding path program 1 times [2020-09-04 20:37:56,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:56,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584371537] [2020-09-04 20:37:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,123 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:37:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-04 20:37:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-04 20:37:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:57,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584371537] [2020-09-04 20:37:57,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:57,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:37:57,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123683231] [2020-09-04 20:37:57,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:37:57,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:57,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:37:57,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:37:57,370 INFO L87 Difference]: Start difference. First operand 535 states and 585 transitions. Second operand 11 states. [2020-09-04 20:37:57,943 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:59,635 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:59,934 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:00,307 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:01,464 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:01,784 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:02,144 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:02,466 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:02,770 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:03,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:03,095 INFO L93 Difference]: Finished difference Result 1126 states and 1301 transitions. [2020-09-04 20:38:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 20:38:03,096 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2020-09-04 20:38:03,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:03,101 INFO L225 Difference]: With dead ends: 1126 [2020-09-04 20:38:03,101 INFO L226 Difference]: Without dead ends: 706 [2020-09-04 20:38:03,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2020-09-04 20:38:03,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-09-04 20:38:03,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 533. [2020-09-04 20:38:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-09-04 20:38:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 581 transitions. [2020-09-04 20:38:03,252 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 581 transitions. Word has length 195 [2020-09-04 20:38:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:03,253 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 581 transitions. [2020-09-04 20:38:03,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:38:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 581 transitions. [2020-09-04 20:38:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 20:38:03,257 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:03,257 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:03,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:38:03,258 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:03,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:03,258 INFO L82 PathProgramCache]: Analyzing trace with hash -81749345, now seen corresponding path program 1 times [2020-09-04 20:38:03,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:03,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456821800] [2020-09-04 20:38:03,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,678 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:38:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 20:38:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 20:38:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:03,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456821800] [2020-09-04 20:38:03,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:03,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:38:03,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44262616] [2020-09-04 20:38:03,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:38:03,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:03,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:38:03,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:38:03,975 INFO L87 Difference]: Start difference. First operand 533 states and 581 transitions. Second operand 11 states. [2020-09-04 20:38:05,311 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:05,647 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:05,987 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 20:38:06,355 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:06,687 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:06,994 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:08,321 INFO L93 Difference]: Finished difference Result 1138 states and 1334 transitions. [2020-09-04 20:38:08,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:38:08,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-09-04 20:38:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:08,328 INFO L225 Difference]: With dead ends: 1138 [2020-09-04 20:38:08,329 INFO L226 Difference]: Without dead ends: 720 [2020-09-04 20:38:08,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:38:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-09-04 20:38:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 549. [2020-09-04 20:38:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-09-04 20:38:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 597 transitions. [2020-09-04 20:38:08,491 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 597 transitions. Word has length 218 [2020-09-04 20:38:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:08,492 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 597 transitions. [2020-09-04 20:38:08,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:38:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 597 transitions. [2020-09-04 20:38:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 20:38:08,496 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:08,496 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:08,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:38:08,497 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:08,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:08,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1358050047, now seen corresponding path program 1 times [2020-09-04 20:38:08,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:08,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304344835] [2020-09-04 20:38:08,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:08,894 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:08,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:08,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:08,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:08,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:38:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 20:38:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 20:38:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:09,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304344835] [2020-09-04 20:38:09,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:09,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 20:38:09,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077352222] [2020-09-04 20:38:09,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 20:38:09,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:09,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 20:38:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:38:09,150 INFO L87 Difference]: Start difference. First operand 549 states and 597 transitions. Second operand 14 states. [2020-09-04 20:38:09,821 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:10,152 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:10,481 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:10,799 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:11,104 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:12,104 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:12,431 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:12,766 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:13,082 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:13,393 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:15,080 INFO L93 Difference]: Finished difference Result 1172 states and 1370 transitions. [2020-09-04 20:38:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 20:38:15,081 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-04 20:38:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:15,085 INFO L225 Difference]: With dead ends: 1172 [2020-09-04 20:38:15,086 INFO L226 Difference]: Without dead ends: 738 [2020-09-04 20:38:15,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 20:38:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-09-04 20:38:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 561. [2020-09-04 20:38:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-09-04 20:38:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 609 transitions. [2020-09-04 20:38:15,335 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 609 transitions. Word has length 218 [2020-09-04 20:38:15,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:15,338 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 609 transitions. [2020-09-04 20:38:15,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 20:38:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 609 transitions. [2020-09-04 20:38:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 20:38:15,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:15,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:15,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:38:15,343 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:15,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:15,343 INFO L82 PathProgramCache]: Analyzing trace with hash 737578300, now seen corresponding path program 1 times [2020-09-04 20:38:15,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:15,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086935404] [2020-09-04 20:38:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,794 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:15,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:38:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 20:38:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 20:38:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:16,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086935404] [2020-09-04 20:38:16,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:16,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:38:16,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714256755] [2020-09-04 20:38:16,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:38:16,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:16,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:38:16,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:38:16,082 INFO L87 Difference]: Start difference. First operand 561 states and 609 transitions. Second operand 8 states. [2020-09-04 20:38:16,659 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:17,356 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:20,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:20,025 INFO L93 Difference]: Finished difference Result 1633 states and 1951 transitions. [2020-09-04 20:38:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:38:20,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-09-04 20:38:20,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:20,034 INFO L225 Difference]: With dead ends: 1633 [2020-09-04 20:38:20,034 INFO L226 Difference]: Without dead ends: 1187 [2020-09-04 20:38:20,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-09-04 20:38:20,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-09-04 20:38:20,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 955. [2020-09-04 20:38:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-09-04 20:38:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1065 transitions. [2020-09-04 20:38:20,342 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1065 transitions. Word has length 218 [2020-09-04 20:38:20,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:20,342 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1065 transitions. [2020-09-04 20:38:20,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:38:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1065 transitions. [2020-09-04 20:38:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-04 20:38:20,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:20,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:20,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:38:20,345 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:20,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:20,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1828552056, now seen corresponding path program 1 times [2020-09-04 20:38:20,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:20,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542750188] [2020-09-04 20:38:20,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,707 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:38:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:38:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:21,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:21,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:21,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:21,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 20:38:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:21,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-04 20:38:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 20:38:21,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542750188] [2020-09-04 20:38:21,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:21,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-04 20:38:21,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272816539] [2020-09-04 20:38:21,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-04 20:38:21,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:21,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-04 20:38:21,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:38:21,213 INFO L87 Difference]: Start difference. First operand 955 states and 1065 transitions. Second operand 21 states. [2020-09-04 20:38:21,883 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:22,343 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:22,690 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 20:38:23,032 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:23,371 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:23,708 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:24,816 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:26,273 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:26,652 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:27,082 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:27,448 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:27,821 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:28,152 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:28,475 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:28,823 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:29,195 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:29,623 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:29,968 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:30,346 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:31,063 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 20:38:31,910 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 20:38:32,607 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 20:38:34,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:34,967 INFO L93 Difference]: Finished difference Result 1979 states and 2292 transitions. [2020-09-04 20:38:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-09-04 20:38:34,968 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 223 [2020-09-04 20:38:34,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:34,975 INFO L225 Difference]: With dead ends: 1979 [2020-09-04 20:38:34,975 INFO L226 Difference]: Without dead ends: 1139 [2020-09-04 20:38:34,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=726, Invalid=3056, Unknown=0, NotChecked=0, Total=3782 [2020-09-04 20:38:34,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-09-04 20:38:35,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 918. [2020-09-04 20:38:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-09-04 20:38:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1012 transitions. [2020-09-04 20:38:35,429 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1012 transitions. Word has length 223 [2020-09-04 20:38:35,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:35,430 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1012 transitions. [2020-09-04 20:38:35,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-04 20:38:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1012 transitions. [2020-09-04 20:38:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-09-04 20:38:35,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:35,434 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:35,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 20:38:35,434 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:35,435 INFO L82 PathProgramCache]: Analyzing trace with hash -77807389, now seen corresponding path program 1 times [2020-09-04 20:38:35,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:35,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701192472] [2020-09-04 20:38:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,756 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:35,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:38:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-04 20:38:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 20:38:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-04 20:38:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 20:38:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-04 20:38:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-04 20:38:35,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701192472] [2020-09-04 20:38:35,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:35,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-04 20:38:35,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130370174] [2020-09-04 20:38:35,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:38:36,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:36,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:38:36,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:38:36,000 INFO L87 Difference]: Start difference. First operand 918 states and 1012 transitions. Second operand 9 states. [2020-09-04 20:38:36,498 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:39,036 INFO L93 Difference]: Finished difference Result 1725 states and 2021 transitions. [2020-09-04 20:38:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:38:39,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2020-09-04 20:38:39,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:39,048 INFO L225 Difference]: With dead ends: 1725 [2020-09-04 20:38:39,048 INFO L226 Difference]: Without dead ends: 1722 [2020-09-04 20:38:39,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:38:39,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-09-04 20:38:39,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1393. [2020-09-04 20:38:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2020-09-04 20:38:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1545 transitions. [2020-09-04 20:38:39,607 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1545 transitions. Word has length 271 [2020-09-04 20:38:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:39,608 INFO L479 AbstractCegarLoop]: Abstraction has 1393 states and 1545 transitions. [2020-09-04 20:38:39,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:38:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1545 transitions. [2020-09-04 20:38:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-04 20:38:39,614 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:39,614 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:39,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 20:38:39,614 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:39,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:39,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1106251278, now seen corresponding path program 1 times [2020-09-04 20:38:39,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:39,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445904598] [2020-09-04 20:38:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,066 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:40,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:38:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-04 20:38:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-04 20:38:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 20:38:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-04 20:38:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:38:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-04 20:38:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-04 20:38:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-09-04 20:38:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-04 20:38:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-09-04 20:38:40,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445904598] [2020-09-04 20:38:40,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:40,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-04 20:38:40,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844169429] [2020-09-04 20:38:40,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 20:38:40,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:40,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 20:38:40,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-04 20:38:40,423 INFO L87 Difference]: Start difference. First operand 1393 states and 1545 transitions. Second operand 12 states. [2020-09-04 20:38:41,005 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:41,768 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:44,572 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:46,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:46,103 INFO L93 Difference]: Finished difference Result 3724 states and 4371 transitions. [2020-09-04 20:38:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-04 20:38:46,104 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 329 [2020-09-04 20:38:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:46,117 INFO L225 Difference]: With dead ends: 3724 [2020-09-04 20:38:46,117 INFO L226 Difference]: Without dead ends: 2619 [2020-09-04 20:38:46,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 76 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=337, Invalid=1069, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 20:38:46,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2020-09-04 20:38:46,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2051. [2020-09-04 20:38:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2051 states. [2020-09-04 20:38:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 2277 transitions. [2020-09-04 20:38:46,988 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 2277 transitions. Word has length 329 [2020-09-04 20:38:46,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:46,989 INFO L479 AbstractCegarLoop]: Abstraction has 2051 states and 2277 transitions. [2020-09-04 20:38:46,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 20:38:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 2277 transitions. [2020-09-04 20:38:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-04 20:38:46,994 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:46,995 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:38:46,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 20:38:46,995 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:46,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:46,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1581259822, now seen corresponding path program 1 times [2020-09-04 20:38:46,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:46,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850244619] [2020-09-04 20:38:46,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:38:47,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:38:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:38:47,164 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:38:47,490 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:38:47,490 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:38:47,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 20:38:47,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:38:47 BoogieIcfgContainer [2020-09-04 20:38:47,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:38:47,797 INFO L168 Benchmark]: Toolchain (without parser) took 72791.13 ms. Allocated memory was 138.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 100.6 MB in the beginning and 254.9 MB in the end (delta: -154.3 MB). Peak memory consumption was 871.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:47,799 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 20:38:47,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.41 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.4 MB in the beginning and 173.0 MB in the end (delta: -72.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:47,804 INFO L168 Benchmark]: Boogie Preprocessor took 94.60 ms. Allocated memory is still 202.9 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:47,805 INFO L168 Benchmark]: RCFGBuilder took 1206.84 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 168.8 MB in the beginning and 179.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:47,807 INFO L168 Benchmark]: TraceAbstraction took 70697.80 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 929.0 MB). Free memory was 179.3 MB in the beginning and 254.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 853.5 MB. Max. memory is 7.1 GB. [2020-09-04 20:38:47,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 785.41 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.4 MB in the beginning and 173.0 MB in the end (delta: -72.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.60 ms. Allocated memory is still 202.9 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.84 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 168.8 MB in the beginning and 179.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70697.80 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 929.0 MB). Free memory was 179.3 MB in the beginning and 254.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 853.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 830]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L43] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=173, head={177:162}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=133, systemActive=132, waterLevel=138] [L251] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=133, systemActive=132, waterLevel=138] [L455] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=0, systemActive=132, waterLevel=138] [L456] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=138] [L628] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L629] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=145, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L915] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L820] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L821] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L916] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L916] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L918] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L920] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L921] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L48] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L724] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L725] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L726] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L727] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L728] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L731] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L733] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L741] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L743] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L745] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L646] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L647] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L745] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L753] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L763] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L469] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L471] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L494] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L607] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L708] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L711] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L716] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L612] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L614] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L617] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L619] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L620] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L496] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L498] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L500] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L554] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L556] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L529] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L531] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L535] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L535] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L500] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L471] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L60] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L76] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L477] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L776] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L733] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L735] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L741] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L743] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L753] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L755] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L755] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L763] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L462] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L464] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L634] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L464] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L469] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L60] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L62] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L561] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L564] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L565] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L62] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L62] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L65] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L70] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L477] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L733] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L741] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L743] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L751] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L753] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L761] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L763] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L462] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L464] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L634] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L464] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L469] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L471] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L491] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L471] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L53] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L60] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L62] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L561] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L564] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L565] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L62] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L62] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L65] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L67] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L830] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 624 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 70.3s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 57.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3089 SDtfs, 10236 SDslu, 6849 SDs, 0 SdLazy, 13241 SolverSat, 2895 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 715 GetRequests, 434 SyntacticMatches, 10 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1936 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2051occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2191 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 2813 NumberOfCodeBlocks, 2813 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2471 ConstructedInterpolants, 0 QuantifiedInterpolants, 1267895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 175/207 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...