/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_spec3_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:35:45,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:35:45,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:35:45,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:35:45,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:35:45,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:35:45,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:35:45,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:35:45,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:35:45,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:35:45,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:35:45,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:35:45,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:35:45,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:35:45,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:35:45,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:35:45,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:35:45,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:35:45,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:35:45,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:35:45,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:35:45,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:35:45,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:35:45,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:35:45,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:35:45,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:35:45,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:35:45,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:35:45,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:35:45,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:35:45,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:35:45,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:35:45,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:35:45,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:35:45,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:35:45,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:35:45,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:35:45,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:35:45,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:35:45,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:35:45,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:35:45,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:35:45,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:35:45,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:35:45,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:35:45,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:35:45,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:35:45,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:35:45,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:35:45,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:35:45,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:35:45,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:35:45,772 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:35:45,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:35:45,772 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:35:45,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:35:45,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:35:45,774 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:35:45,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:35:45,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:35:45,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:35:45,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:35:45,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:35:45,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:35:45,775 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 [2020-07-17 16:35:46,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:35:46,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:35:46,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:35:46,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:35:46,045 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:35:46,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product24.cil.c [2020-07-17 16:35:46,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68fdec4c/77ef92c409e24a2d8e929f51f2acda77/FLAG13cb6db58 [2020-07-17 16:35:46,582 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:35:46,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product24.cil.c [2020-07-17 16:35:46,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68fdec4c/77ef92c409e24a2d8e929f51f2acda77/FLAG13cb6db58 [2020-07-17 16:35:46,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68fdec4c/77ef92c409e24a2d8e929f51f2acda77 [2020-07-17 16:35:46,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:35:46,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:35:46,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:46,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:35:46,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:35:46,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:46" (1/1) ... [2020-07-17 16:35:46,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fed6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:46, skipping insertion in model container [2020-07-17 16:35:46,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:46" (1/1) ... [2020-07-17 16:35:46,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:35:46,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:35:47,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:47,355 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:35:47,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:47,529 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:35:47,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47 WrapperNode [2020-07-17 16:35:47,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:47,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:35:47,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:35:47,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:35:47,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:35:47,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:35:47,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:35:47,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:35:47,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:35:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:35:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:35:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:35:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:35:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:35:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:35:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 16:35:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:35:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:35:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:35:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:35:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:35:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:35:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:35:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:35:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:35:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:35:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:35:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:35:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:35:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:35:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 16:35:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:35:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:35:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:35:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:35:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:35:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:35:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:35:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:35:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 16:35:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:35:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:35:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:35:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:35:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:35:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:35:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:35:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:35:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:35:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:35:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:35:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:35:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:35:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:35:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:35:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:35:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:35:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:35:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:35:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:35:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:35:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:35:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:35:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:35:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:35:48,818 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:35:48,819 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:35:48,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:48 BoogieIcfgContainer [2020-07-17 16:35:48,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:35:48,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:35:48,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:35:48,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:35:48,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:35:46" (1/3) ... [2020-07-17 16:35:48,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d141d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:48, skipping insertion in model container [2020-07-17 16:35:48,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (2/3) ... [2020-07-17 16:35:48,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d141d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:48, skipping insertion in model container [2020-07-17 16:35:48,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:48" (3/3) ... [2020-07-17 16:35:48,835 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24.cil.c [2020-07-17 16:35:48,845 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:35:48,854 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:35:48,868 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:35:48,890 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:35:48,890 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:35:48,891 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:35:48,891 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:35:48,891 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:35:48,892 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:35:48,892 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:35:48,892 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:35:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-07-17 16:35:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:35:48,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:48,968 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] [2020-07-17 16:35:48,969 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:48,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:48,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1912594641, now seen corresponding path program 1 times [2020-07-17 16:35:48,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:48,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385972604] [2020-07-17 16:35:48,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,769 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:49,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385972604] [2020-07-17 16:35:49,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:49,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:35:49,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323714901] [2020-07-17 16:35:49,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:35:49,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:50,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:35:50,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:50,012 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 3 states. [2020-07-17 16:35:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:51,380 INFO L93 Difference]: Finished difference Result 500 states and 599 transitions. [2020-07-17 16:35:51,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:35:51,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:35:51,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:51,403 INFO L225 Difference]: With dead ends: 500 [2020-07-17 16:35:51,404 INFO L226 Difference]: Without dead ends: 309 [2020-07-17 16:35:51,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-17 16:35:51,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 265. [2020-07-17 16:35:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-07-17 16:35:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 290 transitions. [2020-07-17 16:35:51,548 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 290 transitions. Word has length 153 [2020-07-17 16:35:51,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:51,549 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 290 transitions. [2020-07-17 16:35:51,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:35:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 290 transitions. [2020-07-17 16:35:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:35:51,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:51,554 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] [2020-07-17 16:35:51,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:35:51,555 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:51,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:51,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1080326154, now seen corresponding path program 1 times [2020-07-17 16:35:51,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:51,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6670251] [2020-07-17 16:35:51,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,924 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:51,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6670251] [2020-07-17 16:35:51,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:51,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:35:51,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825937256] [2020-07-17 16:35:51,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:35:51,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:51,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:35:51,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:35:51,998 INFO L87 Difference]: Start difference. First operand 265 states and 290 transitions. Second operand 4 states. [2020-07-17 16:35:52,566 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:35:53,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:53,501 INFO L93 Difference]: Finished difference Result 407 states and 462 transitions. [2020-07-17 16:35:53,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:35:53,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:35:53,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:53,506 INFO L225 Difference]: With dead ends: 407 [2020-07-17 16:35:53,507 INFO L226 Difference]: Without dead ends: 292 [2020-07-17 16:35:53,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:35:53,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-17 16:35:53,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 255. [2020-07-17 16:35:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-17 16:35:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 277 transitions. [2020-07-17 16:35:53,593 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 277 transitions. Word has length 154 [2020-07-17 16:35:53,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:53,593 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 277 transitions. [2020-07-17 16:35:53,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:35:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 277 transitions. [2020-07-17 16:35:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-17 16:35:53,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:53,596 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] [2020-07-17 16:35:53,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:35:53,597 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:53,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:53,597 INFO L82 PathProgramCache]: Analyzing trace with hash 240826418, now seen corresponding path program 1 times [2020-07-17 16:35:53,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:53,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581052748] [2020-07-17 16:35:53,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:53,876 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:54,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581052748] [2020-07-17 16:35:54,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:54,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:35:54,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324706694] [2020-07-17 16:35:54,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:35:54,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:54,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:35:54,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:35:54,096 INFO L87 Difference]: Start difference. First operand 255 states and 277 transitions. Second operand 10 states. [2020-07-17 16:35:54,723 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:55,015 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:35:55,280 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:35:55,524 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:55,760 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:55,975 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:56,834 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:35:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:59,216 INFO L93 Difference]: Finished difference Result 711 states and 833 transitions. [2020-07-17 16:35:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:35:59,217 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-07-17 16:35:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:59,225 INFO L225 Difference]: With dead ends: 711 [2020-07-17 16:35:59,225 INFO L226 Difference]: Without dead ends: 566 [2020-07-17 16:35:59,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:35:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-07-17 16:35:59,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 471. [2020-07-17 16:35:59,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-07-17 16:35:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 530 transitions. [2020-07-17 16:35:59,405 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 530 transitions. Word has length 167 [2020-07-17 16:35:59,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:59,405 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 530 transitions. [2020-07-17 16:35:59,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:35:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 530 transitions. [2020-07-17 16:35:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-17 16:35:59,409 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:59,409 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] [2020-07-17 16:35:59,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:35:59,410 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:59,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:59,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1420890141, now seen corresponding path program 1 times [2020-07-17 16:35:59,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:59,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587144448] [2020-07-17 16:35:59,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,703 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:59,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587144448] [2020-07-17 16:35:59,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:59,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:59,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425429063] [2020-07-17 16:35:59,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:59,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:59,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:59,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:59,844 INFO L87 Difference]: Start difference. First operand 471 states and 530 transitions. Second operand 9 states. [2020-07-17 16:36:00,392 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:02,135 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:02,384 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:36:02,707 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:03,015 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:03,242 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:36:03,473 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:03,697 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:04,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:04,521 INFO L93 Difference]: Finished difference Result 1279 states and 1543 transitions. [2020-07-17 16:36:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 16:36:04,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-07-17 16:36:04,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:04,527 INFO L225 Difference]: With dead ends: 1279 [2020-07-17 16:36:04,527 INFO L226 Difference]: Without dead ends: 918 [2020-07-17 16:36:04,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:36:04,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-07-17 16:36:04,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 815. [2020-07-17 16:36:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2020-07-17 16:36:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 943 transitions. [2020-07-17 16:36:04,796 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 943 transitions. Word has length 172 [2020-07-17 16:36:04,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:04,796 INFO L479 AbstractCegarLoop]: Abstraction has 815 states and 943 transitions. [2020-07-17 16:36:04,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:36:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 943 transitions. [2020-07-17 16:36:04,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 16:36:04,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:04,801 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] [2020-07-17 16:36:04,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:36:04,802 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:04,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:04,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1510310544, now seen corresponding path program 1 times [2020-07-17 16:36:04,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:04,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435633019] [2020-07-17 16:36:04,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,062 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:36:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:36:05,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435633019] [2020-07-17 16:36:05,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:36:05,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:36:05,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968500798] [2020-07-17 16:36:05,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:36:05,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:36:05,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:36:05,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:36:05,178 INFO L87 Difference]: Start difference. First operand 815 states and 943 transitions. Second operand 6 states. [2020-07-17 16:36:05,633 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:06,607 INFO L93 Difference]: Finished difference Result 1352 states and 1625 transitions. [2020-07-17 16:36:06,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 16:36:06,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2020-07-17 16:36:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:06,616 INFO L225 Difference]: With dead ends: 1352 [2020-07-17 16:36:06,616 INFO L226 Difference]: Without dead ends: 647 [2020-07-17 16:36:06,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:36:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-07-17 16:36:06,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 570. [2020-07-17 16:36:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-07-17 16:36:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 621 transitions. [2020-07-17 16:36:06,864 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 621 transitions. Word has length 177 [2020-07-17 16:36:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:06,864 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 621 transitions. [2020-07-17 16:36:06,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:36:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 621 transitions. [2020-07-17 16:36:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 16:36:06,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:06,868 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] [2020-07-17 16:36:06,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:36:06,869 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:06,869 INFO L82 PathProgramCache]: Analyzing trace with hash -557067660, now seen corresponding path program 1 times [2020-07-17 16:36:06,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:06,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387739789] [2020-07-17 16:36:06,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:36:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:36:07,190 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:36:07,191 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:36:07,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:36:07,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:36:07 BoogieIcfgContainer [2020-07-17 16:36:07,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:36:07,453 INFO L168 Benchmark]: Toolchain (without parser) took 20553.35 ms. Allocated memory was 138.9 MB in the beginning and 612.9 MB in the end (delta: 474.0 MB). Free memory was 101.7 MB in the beginning and 377.9 MB in the end (delta: -276.2 MB). Peak memory consumption was 197.8 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:07,459 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:36:07,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.31 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 172.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:07,461 INFO L168 Benchmark]: Boogie Preprocessor took 105.86 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 167.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:07,461 INFO L168 Benchmark]: RCFGBuilder took 1188.19 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 167.5 MB in the beginning and 175.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:07,462 INFO L168 Benchmark]: TraceAbstraction took 18624.47 ms. Allocated memory was 235.4 MB in the beginning and 612.9 MB in the end (delta: 377.5 MB). Free memory was 173.6 MB in the beginning and 377.9 MB in the end (delta: -204.2 MB). Peak memory consumption was 173.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:07,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.31 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 172.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.86 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 167.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.19 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 167.5 MB in the beginning and 175.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18624.47 ms. Allocated memory was 235.4 MB in the beginning and 612.9 MB in the end (delta: 377.5 MB). Free memory was 173.6 MB in the beginning and 377.9 MB in the end (delta: -204.2 MB). Peak memory consumption was 173.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=173, head={176:166}, methaneLevelCritical=147, pumpRunning=0, systemActive=135, waterLevel=144] [L61] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=173, head={176:166}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=144] [L369] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={176:166}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=144] [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=144] [L834] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L450] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L451] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L452] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L952] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L953] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L452] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L452] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L454] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L456] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L457] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L436] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L267] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L268] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L269] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L273] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L275] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L277] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L283] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L285] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L287] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L293] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L295] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L303] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L305] COND FALSE !(\read(tmp___2)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L311] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L313] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L315] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L322] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L75] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L83] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L336] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L337] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L338] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L342] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L873] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L876] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L877] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L342] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L342] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L344] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L348] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L905] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L908] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L909] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L348] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L348] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L350] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L352] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L175] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L178] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L179] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L352] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L352] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L354] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L358] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 631 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1215 SDtfs, 1938 SDslu, 1576 SDs, 0 SdLazy, 3481 SolverSat, 698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 356 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1000 NumberOfCodeBlocks, 1000 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 818 ConstructedInterpolants, 0 QuantifiedInterpolants, 332294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...