/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 0.1.25-72570d3 [2020-08-22 21:17:25,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:17:25,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:17:25,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:17:25,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:17:25,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:17:25,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:17:25,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:17:25,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:17:25,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:17:25,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:17:25,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:17:25,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:17:25,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:17:25,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:17:25,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:17:25,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:17:25,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:17:25,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:17:25,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:17:25,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:17:25,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:17:25,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:17:25,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:17:25,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:17:25,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:17:25,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:17:25,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:17:25,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:17:25,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:17:25,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:17:25,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:17:25,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:17:25,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:17:25,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:17:25,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:17:25,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:17:25,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:17:25,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:17:25,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:17:25,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:17:25,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:17:25,695 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:17:25,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:17:25,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:17:25,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:17:25,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:17:25,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:17:25,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:17:25,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:17:25,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:17:25,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:17:25,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:17:25,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:17:25,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:17:25,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:17:25,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:17:25,699 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:17:25,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:17:25,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:17:25,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:17:25,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:17:25,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:17:25,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:17:25,700 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 [2020-08-22 21:17:25,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:17:26,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:17:26,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:17:26,011 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:17:26,011 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:17:26,012 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-08-22 21:17:26,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e2692c2e/3828f3fd6cf84bd5a268e587424cc85e/FLAGe87b32c0d [2020-08-22 21:17:26,550 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:17:26,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-08-22 21:17:26,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e2692c2e/3828f3fd6cf84bd5a268e587424cc85e/FLAGe87b32c0d [2020-08-22 21:17:26,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e2692c2e/3828f3fd6cf84bd5a268e587424cc85e [2020-08-22 21:17:26,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:17:26,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:17:26,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:17:26,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:17:26,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:17:26,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:17:26" (1/1) ... [2020-08-22 21:17:26,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a14f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:26, skipping insertion in model container [2020-08-22 21:17:26,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:17:26" (1/1) ... [2020-08-22 21:17:26,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:17:26,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:17:27,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:17:27,334 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:17:27,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:17:27,545 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:17:27,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27 WrapperNode [2020-08-22 21:17:27,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:17:27,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:17:27,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:17:27,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:17:27,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... [2020-08-22 21:17:27,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:17:27,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:17:27,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:17:27,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:17:27,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:17:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:17:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:17:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:17:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 21:17:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 21:17:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:17:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:17:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:17:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:17:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:17:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:17:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:17:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:17:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:17:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:17:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:17:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:17:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:17:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:17:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:17:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:17:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:17:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:17:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:17:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:17:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:17:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:17:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:17:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:17:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:17:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:17:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:17:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:17:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:17:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:17:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:17:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:17:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:17:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:17:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:17:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:17:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:17:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:17:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:17:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:17:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 21:17:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 21:17:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:17:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:17:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:17:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:17:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:17:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:17:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:17:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:17:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:17:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:17:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:17:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:17:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:17:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:17:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:17:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:17:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:17:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:17:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:17:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:17:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:17:28,925 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:17:28,926 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:17:28,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:17:28 BoogieIcfgContainer [2020-08-22 21:17:28,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:17:28,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:17:28,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:17:28,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:17:28,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:17:26" (1/3) ... [2020-08-22 21:17:28,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e14708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:17:28, skipping insertion in model container [2020-08-22 21:17:28,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:27" (2/3) ... [2020-08-22 21:17:28,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e14708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:17:28, skipping insertion in model container [2020-08-22 21:17:28,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:17:28" (3/3) ... [2020-08-22 21:17:28,949 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-08-22 21:17:28,959 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:17:28,969 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:17:28,983 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:17:29,003 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:17:29,003 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:17:29,003 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:17:29,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:17:29,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:17:29,004 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:17:29,004 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:17:29,004 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:17:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-08-22 21:17:29,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-08-22 21:17:29,040 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:29,041 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] [2020-08-22 21:17:29,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:29,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:29,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1518186743, now seen corresponding path program 1 times [2020-08-22 21:17:29,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:29,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419435058] [2020-08-22 21:17:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,760 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:29,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:17:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:29,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419435058] [2020-08-22 21:17:30,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:30,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:17:30,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389910080] [2020-08-22 21:17:30,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:17:30,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:30,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:17:30,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:17:30,033 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-08-22 21:17:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:31,253 INFO L93 Difference]: Finished difference Result 468 states and 552 transitions. [2020-08-22 21:17:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 21:17:31,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-08-22 21:17:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:31,272 INFO L225 Difference]: With dead ends: 468 [2020-08-22 21:17:31,272 INFO L226 Difference]: Without dead ends: 300 [2020-08-22 21:17:31,277 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 [2020-08-22 21:17:31,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-08-22 21:17:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-08-22 21:17:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-08-22 21:17:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-08-22 21:17:31,425 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 148 [2020-08-22 21:17:31,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:31,426 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-08-22 21:17:31,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:17:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-08-22 21:17:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 21:17:31,430 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:31,431 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] [2020-08-22 21:17:31,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:17:31,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:31,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:31,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1991313851, now seen corresponding path program 1 times [2020-08-22 21:17:31,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:31,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977018896] [2020-08-22 21:17:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,755 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-22 21:17:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:17:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:31,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977018896] [2020-08-22 21:17:31,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:31,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:17:31,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626867223] [2020-08-22 21:17:31,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:17:31,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:31,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:17:31,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:17:31,875 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-08-22 21:17:32,497 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:33,338 INFO L93 Difference]: Finished difference Result 397 states and 447 transitions. [2020-08-22 21:17:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:17:33,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-08-22 21:17:33,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:33,343 INFO L225 Difference]: With dead ends: 397 [2020-08-22 21:17:33,343 INFO L226 Difference]: Without dead ends: 289 [2020-08-22 21:17:33,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:17:33,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-08-22 21:17:33,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-08-22 21:17:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-08-22 21:17:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-08-22 21:17:33,409 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 149 [2020-08-22 21:17:33,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:33,409 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-08-22 21:17:33,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:17:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-08-22 21:17:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-22 21:17:33,412 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:33,412 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] [2020-08-22 21:17:33,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:17:33,413 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:33,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:33,413 INFO L82 PathProgramCache]: Analyzing trace with hash 263225803, now seen corresponding path program 1 times [2020-08-22 21:17:33,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:33,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562504828] [2020-08-22 21:17:33,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,748 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:33,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:17:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 21:17:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:33,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562504828] [2020-08-22 21:17:33,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:33,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:17:33,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125018001] [2020-08-22 21:17:33,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:17:33,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:33,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:17:33,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:17:33,903 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 10 states. [2020-08-22 21:17:34,382 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:34,705 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:34,938 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:17:35,222 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:35,452 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:35,707 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:37,071 INFO L93 Difference]: Finished difference Result 417 states and 473 transitions. [2020-08-22 21:17:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 21:17:37,075 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-08-22 21:17:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:37,078 INFO L225 Difference]: With dead ends: 417 [2020-08-22 21:17:37,078 INFO L226 Difference]: Without dead ends: 289 [2020-08-22 21:17:37,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:17:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-08-22 21:17:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-08-22 21:17:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-08-22 21:17:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-08-22 21:17:37,159 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 158 [2020-08-22 21:17:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:37,159 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-08-22 21:17:37,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:17:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-08-22 21:17:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-22 21:17:37,162 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:37,162 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] [2020-08-22 21:17:37,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:17:37,163 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:37,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:37,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1554497374, now seen corresponding path program 1 times [2020-08-22 21:17:37,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:37,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591207925] [2020-08-22 21:17:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,438 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 21:17:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 21:17:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 21:17:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:37,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591207925] [2020-08-22 21:17:37,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:37,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 21:17:37,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104030920] [2020-08-22 21:17:37,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 21:17:37,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:37,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 21:17:37,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:17:37,635 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-08-22 21:17:38,180 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:39,573 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:40,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:40,244 INFO L93 Difference]: Finished difference Result 547 states and 628 transitions. [2020-08-22 21:17:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 21:17:40,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-08-22 21:17:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:40,249 INFO L225 Difference]: With dead ends: 547 [2020-08-22 21:17:40,250 INFO L226 Difference]: Without dead ends: 419 [2020-08-22 21:17:40,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:17:40,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-08-22 21:17:40,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 348. [2020-08-22 21:17:40,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-08-22 21:17:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 377 transitions. [2020-08-22 21:17:40,392 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 377 transitions. Word has length 166 [2020-08-22 21:17:40,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:40,392 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 377 transitions. [2020-08-22 21:17:40,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 21:17:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 377 transitions. [2020-08-22 21:17:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-08-22 21:17:40,395 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:40,395 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] [2020-08-22 21:17:40,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:17:40,395 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:40,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash 590655546, now seen corresponding path program 1 times [2020-08-22 21:17:40,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:40,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638684762] [2020-08-22 21:17:40,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,746 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:40,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 21:17:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-08-22 21:17:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:17:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:40,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638684762] [2020-08-22 21:17:40,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:40,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:17:40,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36170009] [2020-08-22 21:17:40,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:17:40,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:40,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:17:40,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:17:40,979 INFO L87 Difference]: Start difference. First operand 348 states and 377 transitions. Second operand 10 states. [2020-08-22 21:17:41,695 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:42,988 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:43,236 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:43,545 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:43,774 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:44,293 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:44,541 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:44,753 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:45,067 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:45,737 INFO L93 Difference]: Finished difference Result 878 states and 1025 transitions. [2020-08-22 21:17:45,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:17:45,737 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-08-22 21:17:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:45,745 INFO L225 Difference]: With dead ends: 878 [2020-08-22 21:17:45,745 INFO L226 Difference]: Without dead ends: 645 [2020-08-22 21:17:45,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-08-22 21:17:45,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-08-22 21:17:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 535. [2020-08-22 21:17:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-08-22 21:17:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 585 transitions. [2020-08-22 21:17:45,942 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 585 transitions. Word has length 190 [2020-08-22 21:17:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:45,942 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 585 transitions. [2020-08-22 21:17:45,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:17:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 585 transitions. [2020-08-22 21:17:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-22 21:17:45,945 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:45,946 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] [2020-08-22 21:17:45,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:17:45,946 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:45,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:45,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2059893013, now seen corresponding path program 1 times [2020-08-22 21:17:45,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:45,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668579695] [2020-08-22 21:17:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,204 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:46,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:17:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-08-22 21:17:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-08-22 21:17:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:17:46,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668579695] [2020-08-22 21:17:46,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:46,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:17:46,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143069367] [2020-08-22 21:17:46,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:17:46,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:46,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:17:46,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:17:46,390 INFO L87 Difference]: Start difference. First operand 535 states and 585 transitions. Second operand 11 states. [2020-08-22 21:17:46,926 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:48,315 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:48,570 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:48,854 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:49,695 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:49,923 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:50,188 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:50,437 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:50,656 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:50,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:50,966 INFO L93 Difference]: Finished difference Result 1126 states and 1301 transitions. [2020-08-22 21:17:50,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 21:17:50,966 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2020-08-22 21:17:50,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:50,970 INFO L225 Difference]: With dead ends: 1126 [2020-08-22 21:17:50,971 INFO L226 Difference]: Without dead ends: 706 [2020-08-22 21:17:50,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2020-08-22 21:17:50,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-08-22 21:17:51,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 533. [2020-08-22 21:17:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-08-22 21:17:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 581 transitions. [2020-08-22 21:17:51,135 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 581 transitions. Word has length 195 [2020-08-22 21:17:51,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:51,135 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 581 transitions. [2020-08-22 21:17:51,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:17:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 581 transitions. [2020-08-22 21:17:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 21:17:51,139 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:51,139 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] [2020-08-22 21:17:51,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:17:51,140 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:51,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:51,140 INFO L82 PathProgramCache]: Analyzing trace with hash -81749345, now seen corresponding path program 1 times [2020-08-22 21:17:51,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:51,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184614628] [2020-08-22 21:17:51,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,415 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:17:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:17:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:17:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:17:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 21:17:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 21:17:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:17:51,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184614628] [2020-08-22 21:17:51,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:51,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:17:51,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915172715] [2020-08-22 21:17:51,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:17:51,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:51,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:17:51,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:17:51,651 INFO L87 Difference]: Start difference. First operand 533 states and 581 transitions. Second operand 11 states. [2020-08-22 21:17:52,769 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:53,015 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:17:53,260 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:17:53,505 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:53,745 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:53,963 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:55,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:55,110 INFO L93 Difference]: Finished difference Result 1138 states and 1334 transitions. [2020-08-22 21:17:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:17:55,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-08-22 21:17:55,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:55,115 INFO L225 Difference]: With dead ends: 1138 [2020-08-22 21:17:55,115 INFO L226 Difference]: Without dead ends: 720 [2020-08-22 21:17:55,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:17:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-08-22 21:17:55,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 549. [2020-08-22 21:17:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-08-22 21:17:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 597 transitions. [2020-08-22 21:17:55,265 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 597 transitions. Word has length 218 [2020-08-22 21:17:55,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:55,265 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 597 transitions. [2020-08-22 21:17:55,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:17:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 597 transitions. [2020-08-22 21:17:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 21:17:55,269 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:55,269 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] [2020-08-22 21:17:55,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:17:55,269 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:55,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:55,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1358050047, now seen corresponding path program 1 times [2020-08-22 21:17:55,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:55,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906446830] [2020-08-22 21:17:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,525 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:17:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:17:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:17:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:17:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 21:17:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 21:17:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:17:55,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906446830] [2020-08-22 21:17:55,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:55,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:17:55,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119729400] [2020-08-22 21:17:55,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:17:55,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:55,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:17:55,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:17:55,750 INFO L87 Difference]: Start difference. First operand 549 states and 597 transitions. Second operand 14 states. [2020-08-22 21:17:56,300 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:56,535 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:17:56,761 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:56,990 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:57,206 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:57,961 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:58,195 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:58,453 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:58,693 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:58,913 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:00,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:00,178 INFO L93 Difference]: Finished difference Result 1172 states and 1370 transitions. [2020-08-22 21:18:00,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 21:18:00,179 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-22 21:18:00,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:00,184 INFO L225 Difference]: With dead ends: 1172 [2020-08-22 21:18:00,184 INFO L226 Difference]: Without dead ends: 738 [2020-08-22 21:18:00,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:18:00,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-08-22 21:18:00,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 561. [2020-08-22 21:18:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-08-22 21:18:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 609 transitions. [2020-08-22 21:18:00,389 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 609 transitions. Word has length 218 [2020-08-22 21:18:00,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:00,390 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 609 transitions. [2020-08-22 21:18:00,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:18:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 609 transitions. [2020-08-22 21:18:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 21:18:00,393 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:00,394 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] [2020-08-22 21:18:00,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:18:00,394 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:00,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:00,395 INFO L82 PathProgramCache]: Analyzing trace with hash 737578300, now seen corresponding path program 1 times [2020-08-22 21:18:00,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:00,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789705105] [2020-08-22 21:18:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,648 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:18:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:18:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 21:18:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 21:18:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:18:00,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789705105] [2020-08-22 21:18:00,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:18:00,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:18:00,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039287026] [2020-08-22 21:18:00,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:18:00,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:00,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:18:00,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:18:00,877 INFO L87 Difference]: Start difference. First operand 561 states and 609 transitions. Second operand 8 states. [2020-08-22 21:18:01,349 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:01,903 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:04,037 INFO L93 Difference]: Finished difference Result 1633 states and 1951 transitions. [2020-08-22 21:18:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:18:04,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-08-22 21:18:04,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:04,045 INFO L225 Difference]: With dead ends: 1633 [2020-08-22 21:18:04,045 INFO L226 Difference]: Without dead ends: 1187 [2020-08-22 21:18:04,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:18:04,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-08-22 21:18:04,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 955. [2020-08-22 21:18:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-08-22 21:18:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1065 transitions. [2020-08-22 21:18:04,335 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1065 transitions. Word has length 218 [2020-08-22 21:18:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:04,335 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1065 transitions. [2020-08-22 21:18:04,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:18:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1065 transitions. [2020-08-22 21:18:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-08-22 21:18:04,338 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:04,338 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] [2020-08-22 21:18:04,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:18:04,339 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:04,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1828552056, now seen corresponding path program 1 times [2020-08-22 21:18:04,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:04,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603751815] [2020-08-22 21:18:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,674 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:04,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:18:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:18:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-22 21:18:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:05,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-22 21:18:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:05,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-22 21:18:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 21:18:05,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603751815] [2020-08-22 21:18:05,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:18:05,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-22 21:18:05,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878643824] [2020-08-22 21:18:05,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 21:18:05,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:05,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 21:18:05,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:18:05,107 INFO L87 Difference]: Start difference. First operand 955 states and 1065 transitions. Second operand 21 states. [2020-08-22 21:18:05,610 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:05,952 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:18:06,202 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:18:06,477 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:06,726 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:18:06,956 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:07,816 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:09,016 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:09,295 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:09,655 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:09,929 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:10,190 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:10,448 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:10,705 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:10,973 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:11,257 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:11,615 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:11,901 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:12,205 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:12,784 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:18:13,405 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:18:13,912 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:18:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:15,783 INFO L93 Difference]: Finished difference Result 1979 states and 2292 transitions. [2020-08-22 21:18:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-22 21:18:15,784 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 223 [2020-08-22 21:18:15,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:15,790 INFO L225 Difference]: With dead ends: 1979 [2020-08-22 21:18:15,790 INFO L226 Difference]: Without dead ends: 1139 [2020-08-22 21:18:15,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=726, Invalid=3056, Unknown=0, NotChecked=0, Total=3782 [2020-08-22 21:18:15,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-08-22 21:18:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 918. [2020-08-22 21:18:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-08-22 21:18:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1012 transitions. [2020-08-22 21:18:16,172 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1012 transitions. Word has length 223 [2020-08-22 21:18:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:16,172 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1012 transitions. [2020-08-22 21:18:16,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 21:18:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1012 transitions. [2020-08-22 21:18:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-08-22 21:18:16,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:16,176 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] [2020-08-22 21:18:16,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:18:16,177 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:16,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:16,177 INFO L82 PathProgramCache]: Analyzing trace with hash -77807389, now seen corresponding path program 1 times [2020-08-22 21:18:16,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:16,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881127833] [2020-08-22 21:18:16,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,459 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:16,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:18:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:18:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:18:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-08-22 21:18:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:18:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-08-22 21:18:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:18:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-08-22 21:18:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-22 21:18:16,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881127833] [2020-08-22 21:18:16,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:18:16,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 21:18:16,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131450845] [2020-08-22 21:18:16,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:18:16,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:16,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:18:16,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:18:16,658 INFO L87 Difference]: Start difference. First operand 918 states and 1012 transitions. Second operand 9 states. [2020-08-22 21:18:17,140 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:19,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:19,359 INFO L93 Difference]: Finished difference Result 1725 states and 2021 transitions. [2020-08-22 21:18:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:18:19,359 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2020-08-22 21:18:19,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:19,368 INFO L225 Difference]: With dead ends: 1725 [2020-08-22 21:18:19,368 INFO L226 Difference]: Without dead ends: 1722 [2020-08-22 21:18:19,369 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 [2020-08-22 21:18:19,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-08-22 21:18:19,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1393. [2020-08-22 21:18:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2020-08-22 21:18:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1545 transitions. [2020-08-22 21:18:19,923 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1545 transitions. Word has length 271 [2020-08-22 21:18:19,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:19,923 INFO L479 AbstractCegarLoop]: Abstraction has 1393 states and 1545 transitions. [2020-08-22 21:18:19,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:18:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1545 transitions. [2020-08-22 21:18:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-08-22 21:18:19,929 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:19,929 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] [2020-08-22 21:18:19,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:18:19,930 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:19,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:19,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1106251278, now seen corresponding path program 1 times [2020-08-22 21:18:19,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:19,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897555544] [2020-08-22 21:18:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,295 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:20,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:18:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:18:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:18:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-08-22 21:18:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-22 21:18:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 21:18:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-22 21:18:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:18:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-08-22 21:18:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-08-22 21:18:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-08-22 21:18:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-08-22 21:18:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-08-22 21:18:20,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897555544] [2020-08-22 21:18:20,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:18:20,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 21:18:20,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607251921] [2020-08-22 21:18:20,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 21:18:20,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:20,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 21:18:20,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-22 21:18:20,573 INFO L87 Difference]: Start difference. First operand 1393 states and 1545 transitions. Second operand 12 states. [2020-08-22 21:18:21,091 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:21,719 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:24,051 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:25,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:25,358 INFO L93 Difference]: Finished difference Result 3724 states and 4371 transitions. [2020-08-22 21:18:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-22 21:18:25,362 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 329 [2020-08-22 21:18:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:25,376 INFO L225 Difference]: With dead ends: 3724 [2020-08-22 21:18:25,376 INFO L226 Difference]: Without dead ends: 2619 [2020-08-22 21:18:25,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 76 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=337, Invalid=1069, Unknown=0, NotChecked=0, Total=1406 [2020-08-22 21:18:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2020-08-22 21:18:26,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2051. [2020-08-22 21:18:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2051 states. [2020-08-22 21:18:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 2277 transitions. [2020-08-22 21:18:26,290 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 2277 transitions. Word has length 329 [2020-08-22 21:18:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:26,291 INFO L479 AbstractCegarLoop]: Abstraction has 2051 states and 2277 transitions. [2020-08-22 21:18:26,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 21:18:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 2277 transitions. [2020-08-22 21:18:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-08-22 21:18:26,296 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:26,296 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] [2020-08-22 21:18:26,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 21:18:26,297 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:26,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:26,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1581259822, now seen corresponding path program 1 times [2020-08-22 21:18:26,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:26,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071255260] [2020-08-22 21:18:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:18:26,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:18:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:18:26,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:18:27,033 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:18:27,033 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:18:27,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 21:18:27,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:18:27 BoogieIcfgContainer [2020-08-22 21:18:27,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:18:27,387 INFO L168 Benchmark]: Toolchain (without parser) took 60506.11 ms. Allocated memory was 137.9 MB in the beginning and 1.1 GB in the end (delta: 946.9 MB). Free memory was 101.4 MB in the beginning and 399.9 MB in the end (delta: -298.6 MB). Peak memory consumption was 648.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:27,390 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 21:18:27,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.14 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:27,395 INFO L168 Benchmark]: Boogie Preprocessor took 120.10 ms. Allocated memory is still 201.3 MB. Free memory was 171.5 MB in the beginning and 167.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:27,396 INFO L168 Benchmark]: RCFGBuilder took 1272.83 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 167.2 MB in the beginning and 176.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:27,397 INFO L168 Benchmark]: TraceAbstraction took 58444.03 ms. Allocated memory was 232.3 MB in the beginning and 1.1 GB in the end (delta: 852.5 MB). Free memory was 176.2 MB in the beginning and 399.9 MB in the end (delta: -223.7 MB). Peak memory consumption was 628.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:27,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.14 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.10 ms. Allocated memory is still 201.3 MB. Free memory was 171.5 MB in the beginning and 167.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1272.83 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 167.2 MB in the beginning and 176.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58444.03 ms. Allocated memory was 232.3 MB in the beginning and 1.1 GB in the end (delta: 852.5 MB). Free memory was 176.2 MB in the beginning and 399.9 MB in the end (delta: -223.7 MB). Peak memory consumption was 628.8 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)=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=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)=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=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)=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=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: 58.0s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 47.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3091 SDtfs, 10236 SDslu, 6857 SDs, 0 SdLazy, 13275 SolverSat, 2887 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 715 GetRequests, 434 SyntacticMatches, 10 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1936 ImplicationChecksByTransitivity, 21.9s 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: 3.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2191 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.3s 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...