/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_spec4_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:28:29,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:28:29,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:28:29,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:28:29,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:28:29,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:28:29,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:28:29,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:28:29,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:28:29,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:28:29,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:28:29,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:28:29,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:28:29,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:28:29,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:28:29,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:28:29,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:28:29,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:28:29,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:28:29,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:28:29,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:28:29,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:28:29,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:28:29,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:28:29,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:28:29,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:28:29,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:28:29,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:28:29,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:28:29,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:28:29,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:28:29,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:28:29,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:28:29,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:28:29,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:28:29,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:28:29,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:28:29,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:28:29,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:28:29,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:28:29,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:28:29,860 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 21:28:29,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:28:29,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:28:29,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:28:29,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:28:29,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:28:29,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:28:29,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:28:29,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:28:29,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:28:29,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:28:29,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:28:29,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:28:29,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:28:29,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:28:29,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:28:29,873 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:28:29,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:28:29,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:28:29,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:28:29,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:28:29,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:28:29,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:28:29,875 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 21:28:30,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:28:30,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:28:30,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:28:30,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:28:30,182 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:28:30,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-08-22 21:28:30,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58df32c1c/8afd916bb120470d81134c39f95e9294/FLAG21b7f478d [2020-08-22 21:28:30,782 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:28:30,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-08-22 21:28:30,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58df32c1c/8afd916bb120470d81134c39f95e9294/FLAG21b7f478d [2020-08-22 21:28:31,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58df32c1c/8afd916bb120470d81134c39f95e9294 [2020-08-22 21:28:31,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:28:31,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:28:31,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:28:31,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:28:31,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:28:31,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5883f6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31, skipping insertion in model container [2020-08-22 21:28:31,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:28:31,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:28:31,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:28:31,614 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:28:31,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:28:31,736 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:28:31,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31 WrapperNode [2020-08-22 21:28:31,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:28:31,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:28:31,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:28:31,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:28:31,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (1/1) ... [2020-08-22 21:28:31,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:28:31,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:28:31,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:28:31,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:28:31,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (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 21:28:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:28:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:28:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:28:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:28:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:28:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:28:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:28:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:28:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:28:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:28:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:28:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:28:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:28:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 21:28:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:28:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:28:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:28:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:28:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:28:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:28:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:28:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:28:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:28:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:28:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:28:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:28:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:28:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:28:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:28:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:28:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:28:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:28:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:28:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:28:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:28:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:28:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:28:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:28:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:28:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:28:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:28:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:28:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:28:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:28:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:28:33,089 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:28:33,089 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:28:33,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:33 BoogieIcfgContainer [2020-08-22 21:28:33,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:28:33,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:28:33,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:28:33,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:28:33,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:28:31" (1/3) ... [2020-08-22 21:28:33,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61591dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:28:33, skipping insertion in model container [2020-08-22 21:28:33,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:31" (2/3) ... [2020-08-22 21:28:33,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61591dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:28:33, skipping insertion in model container [2020-08-22 21:28:33,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:33" (3/3) ... [2020-08-22 21:28:33,106 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2020-08-22 21:28:33,117 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:28:33,126 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:28:33,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:28:33,167 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:28:33,167 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:28:33,167 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:28:33,167 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:28:33,168 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:28:33,168 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:28:33,168 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:28:33,168 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:28:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-08-22 21:28:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 21:28:33,212 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:33,213 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] [2020-08-22 21:28:33,214 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:33,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:33,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1278717342, now seen corresponding path program 1 times [2020-08-22 21:28:33,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:33,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493364846] [2020-08-22 21:28:33,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:33,981 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:33,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:28:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:28:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,150 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 21:28:34,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493364846] [2020-08-22 21:28:34,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:34,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:28:34,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508768392] [2020-08-22 21:28:34,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:28:34,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:34,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:28:34,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:28:34,180 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2020-08-22 21:28:35,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:35,663 INFO L93 Difference]: Finished difference Result 520 states and 619 transitions. [2020-08-22 21:28:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:28:35,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-08-22 21:28:35,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:35,682 INFO L225 Difference]: With dead ends: 520 [2020-08-22 21:28:35,683 INFO L226 Difference]: Without dead ends: 320 [2020-08-22 21:28:35,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:28:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-08-22 21:28:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 274. [2020-08-22 21:28:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-08-22 21:28:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 299 transitions. [2020-08-22 21:28:35,860 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 299 transitions. Word has length 142 [2020-08-22 21:28:35,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:35,887 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 299 transitions. [2020-08-22 21:28:35,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:28:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 299 transitions. [2020-08-22 21:28:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-22 21:28:35,897 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:35,897 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] [2020-08-22 21:28:35,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:28:35,898 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:35,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:35,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1976883783, now seen corresponding path program 1 times [2020-08-22 21:28:35,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:35,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648056860] [2020-08-22 21:28:35,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,238 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:28:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:28:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:36,316 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 21:28:36,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648056860] [2020-08-22 21:28:36,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:36,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:28:36,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983654297] [2020-08-22 21:28:36,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:28:36,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:36,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:28:36,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:28:36,320 INFO L87 Difference]: Start difference. First operand 274 states and 299 transitions. Second operand 4 states. [2020-08-22 21:28:36,886 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:37,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:37,920 INFO L93 Difference]: Finished difference Result 427 states and 482 transitions. [2020-08-22 21:28:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:28:37,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-08-22 21:28:37,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:37,928 INFO L225 Difference]: With dead ends: 427 [2020-08-22 21:28:37,928 INFO L226 Difference]: Without dead ends: 303 [2020-08-22 21:28:37,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:28:37,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-08-22 21:28:38,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 264. [2020-08-22 21:28:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-08-22 21:28:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 286 transitions. [2020-08-22 21:28:38,006 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 286 transitions. Word has length 143 [2020-08-22 21:28:38,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:38,007 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 286 transitions. [2020-08-22 21:28:38,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:28:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 286 transitions. [2020-08-22 21:28:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-22 21:28:38,009 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:38,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:38,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:28:38,010 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:38,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:38,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1434420260, now seen corresponding path program 1 times [2020-08-22 21:28:38,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:38,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854839169] [2020-08-22 21:28:38,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,341 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:38,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:28:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:28:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:38,472 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 21:28:38,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854839169] [2020-08-22 21:28:38,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:38,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:28:38,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065203285] [2020-08-22 21:28:38,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:28:38,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:38,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:28:38,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:28:38,476 INFO L87 Difference]: Start difference. First operand 264 states and 286 transitions. Second operand 10 states. [2020-08-22 21:28:39,035 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:39,496 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:39,846 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:28:40,148 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:40,379 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:40,627 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:41,554 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:44,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:44,081 INFO L93 Difference]: Finished difference Result 731 states and 852 transitions. [2020-08-22 21:28:44,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:28:44,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-08-22 21:28:44,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:44,090 INFO L225 Difference]: With dead ends: 731 [2020-08-22 21:28:44,091 INFO L226 Difference]: Without dead ends: 577 [2020-08-22 21:28:44,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:28:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-08-22 21:28:44,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 478. [2020-08-22 21:28:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-08-22 21:28:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 536 transitions. [2020-08-22 21:28:44,298 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 536 transitions. Word has length 156 [2020-08-22 21:28:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:44,299 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 536 transitions. [2020-08-22 21:28:44,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:28:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 536 transitions. [2020-08-22 21:28:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 21:28:44,302 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:44,302 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] [2020-08-22 21:28:44,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:28:44,303 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:44,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:44,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1340372779, now seen corresponding path program 1 times [2020-08-22 21:28:44,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:44,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065547653] [2020-08-22 21:28:44,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,678 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:28:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:28:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-08-22 21:28:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,938 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 21:28:44,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065547653] [2020-08-22 21:28:44,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:44,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:28:44,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81327310] [2020-08-22 21:28:44,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:28:44,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:44,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:28:44,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:28:44,943 INFO L87 Difference]: Start difference. First operand 478 states and 536 transitions. Second operand 14 states. [2020-08-22 21:28:45,460 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:45,868 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:46,144 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:46,413 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:46,661 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:46,895 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:47,541 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:48,614 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:48,914 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:49,292 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:49,631 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:49,903 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:50,140 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:50,382 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:50,651 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:50,885 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:51,266 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:51,653 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:52,006 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:52,375 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:54,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:54,615 INFO L93 Difference]: Finished difference Result 1680 states and 2103 transitions. [2020-08-22 21:28:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 21:28:54,617 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 161 [2020-08-22 21:28:54,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:54,626 INFO L225 Difference]: With dead ends: 1680 [2020-08-22 21:28:54,626 INFO L226 Difference]: Without dead ends: 1312 [2020-08-22 21:28:54,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 21:28:54,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-08-22 21:28:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1169. [2020-08-22 21:28:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1169 states. [2020-08-22 21:28:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1381 transitions. [2020-08-22 21:28:55,002 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1381 transitions. Word has length 161 [2020-08-22 21:28:55,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:55,003 INFO L479 AbstractCegarLoop]: Abstraction has 1169 states and 1381 transitions. [2020-08-22 21:28:55,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:28:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1381 transitions. [2020-08-22 21:28:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-22 21:28:55,008 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:55,008 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 21:28:55,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:28:55,009 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:55,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:55,009 INFO L82 PathProgramCache]: Analyzing trace with hash -277417807, now seen corresponding path program 1 times [2020-08-22 21:28:55,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:55,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252327313] [2020-08-22 21:28:55,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,265 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:55,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:28:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:28:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:28:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-08-22 21:28:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:55,406 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 21:28:55,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252327313] [2020-08-22 21:28:55,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:55,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 21:28:55,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033592718] [2020-08-22 21:28:55,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 21:28:55,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:55,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 21:28:55,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 21:28:55,409 INFO L87 Difference]: Start difference. First operand 1169 states and 1381 transitions. Second operand 6 states. [2020-08-22 21:28:55,931 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:58,222 INFO L93 Difference]: Finished difference Result 2774 states and 3444 transitions. [2020-08-22 21:28:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 21:28:58,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-08-22 21:28:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:58,233 INFO L225 Difference]: With dead ends: 2774 [2020-08-22 21:28:58,233 INFO L226 Difference]: Without dead ends: 1715 [2020-08-22 21:28:58,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:28:58,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2020-08-22 21:28:58,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1588. [2020-08-22 21:28:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2020-08-22 21:28:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1850 transitions. [2020-08-22 21:28:58,982 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1850 transitions. Word has length 166 [2020-08-22 21:28:58,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:58,983 INFO L479 AbstractCegarLoop]: Abstraction has 1588 states and 1850 transitions. [2020-08-22 21:28:58,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 21:28:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1850 transitions. [2020-08-22 21:28:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-08-22 21:28:58,996 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:58,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:28:58,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:28:58,997 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:58,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:58,997 INFO L82 PathProgramCache]: Analyzing trace with hash -426920362, now seen corresponding path program 1 times [2020-08-22 21:28:58,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:58,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826458228] [2020-08-22 21:28:58,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,364 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:59,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:28:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:28:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:28:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-22 21:28:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 21:28:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-08-22 21:28:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-08-22 21:28:59,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826458228] [2020-08-22 21:28:59,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:59,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 21:28:59,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393401621] [2020-08-22 21:28:59,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:28:59,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:59,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:28:59,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:28:59,568 INFO L87 Difference]: Start difference. First operand 1588 states and 1850 transitions. Second operand 11 states. [2020-08-22 21:29:00,106 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:02,267 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:02,504 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:02,746 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:03,001 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:03,223 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:04,131 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:04,364 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:04,672 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:05,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:05,338 INFO L93 Difference]: Finished difference Result 1778 states and 2134 transitions. [2020-08-22 21:29:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:29:05,338 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-08-22 21:29:05,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:05,348 INFO L225 Difference]: With dead ends: 1778 [2020-08-22 21:29:05,348 INFO L226 Difference]: Without dead ends: 1775 [2020-08-22 21:29:05,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-08-22 21:29:05,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2020-08-22 21:29:05,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1597. [2020-08-22 21:29:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1597 states. [2020-08-22 21:29:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1858 transitions. [2020-08-22 21:29:05,868 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1858 transitions. Word has length 209 [2020-08-22 21:29:05,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:05,868 INFO L479 AbstractCegarLoop]: Abstraction has 1597 states and 1858 transitions. [2020-08-22 21:29:05,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:29:05,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1858 transitions. [2020-08-22 21:29:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-08-22 21:29:05,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:05,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:29:05,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:29:05,879 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:05,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:05,879 INFO L82 PathProgramCache]: Analyzing trace with hash -2049626287, now seen corresponding path program 1 times [2020-08-22 21:29:05,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:05,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926551354] [2020-08-22 21:29:05,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,213 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:29:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:29:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:29:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:29:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:29:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:29:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:29:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:29:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:29:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-22 21:29:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:29:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-08-22 21:29:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:29:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:29:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:29:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-08-22 21:29:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 21:29:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 21:29:06,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926551354] [2020-08-22 21:29:06,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:29:06,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 21:29:06,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89894093] [2020-08-22 21:29:06,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 21:29:06,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:29:06,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 21:29:06,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-08-22 21:29:06,785 INFO L87 Difference]: Start difference. First operand 1597 states and 1858 transitions. Second operand 18 states. [2020-08-22 21:29:07,570 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 21:29:08,335 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:09,735 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-08-22 21:29:10,276 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 21:29:10,772 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-08-22 21:29:11,274 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 21:29:11,534 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:11,824 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:29:12,275 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 21:29:12,560 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:29:13,069 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 21:29:13,347 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:13,654 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:13,916 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:15,885 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:16,217 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:16,477 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:29:16,728 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:29:17,016 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:17,303 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:17,548 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:19,930 INFO L93 Difference]: Finished difference Result 3652 states and 4609 transitions. [2020-08-22 21:29:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-22 21:29:19,930 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 269 [2020-08-22 21:29:19,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:19,943 INFO L225 Difference]: With dead ends: 3652 [2020-08-22 21:29:19,943 INFO L226 Difference]: Without dead ends: 2165 [2020-08-22 21:29:19,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=637, Invalid=2785, Unknown=0, NotChecked=0, Total=3422 [2020-08-22 21:29:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2020-08-22 21:29:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1781. [2020-08-22 21:29:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2020-08-22 21:29:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2046 transitions. [2020-08-22 21:29:20,718 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2046 transitions. Word has length 269 [2020-08-22 21:29:20,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:20,718 INFO L479 AbstractCegarLoop]: Abstraction has 1781 states and 2046 transitions. [2020-08-22 21:29:20,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 21:29:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2046 transitions. [2020-08-22 21:29:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-08-22 21:29:20,726 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:20,727 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:29:20,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:29:20,727 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:20,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:20,728 INFO L82 PathProgramCache]: Analyzing trace with hash 722441679, now seen corresponding path program 1 times [2020-08-22 21:29:20,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:20,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797621634] [2020-08-22 21:29:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,016 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:29:21,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:29:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:29:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:29:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:29:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:29:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:29:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:29:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:29:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:29:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:29:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:29:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:29:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:29:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-22 21:29:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-08-22 21:29:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:29:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-08-22 21:29:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-08-22 21:29:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-22 21:29:21,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797621634] [2020-08-22 21:29:21,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:29:21,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 21:29:21,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402500842] [2020-08-22 21:29:21,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:29:21,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:29:21,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:29:21,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:29:21,422 INFO L87 Difference]: Start difference. First operand 1781 states and 2046 transitions. Second operand 14 states. [2020-08-22 21:29:21,905 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:22,696 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:23,435 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:23,690 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:23,970 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:24,230 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:24,478 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:24,732 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:24,986 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:25,259 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:25,553 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:25,825 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:28,578 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:28,831 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:31,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:31,118 INFO L93 Difference]: Finished difference Result 4516 states and 5715 transitions. [2020-08-22 21:29:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-22 21:29:31,122 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 295 [2020-08-22 21:29:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:31,143 INFO L225 Difference]: With dead ends: 4516 [2020-08-22 21:29:31,143 INFO L226 Difference]: Without dead ends: 3304 [2020-08-22 21:29:31,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 70 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=617, Invalid=1639, Unknown=0, NotChecked=0, Total=2256 [2020-08-22 21:29:31,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2020-08-22 21:29:31,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 2356. [2020-08-22 21:29:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2356 states. [2020-08-22 21:29:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 2730 transitions. [2020-08-22 21:29:31,950 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 2730 transitions. Word has length 295 [2020-08-22 21:29:31,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:31,951 INFO L479 AbstractCegarLoop]: Abstraction has 2356 states and 2730 transitions. [2020-08-22 21:29:31,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:29:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2730 transitions. [2020-08-22 21:29:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-08-22 21:29:31,961 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:31,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:29:31,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:29:31,962 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:31,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:31,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1359047830, now seen corresponding path program 1 times [2020-08-22 21:29:31,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:31,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920732969] [2020-08-22 21:29:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,242 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:29:32,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:29:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:29:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:29:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:29:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:29:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:29:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:29:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:29:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:29:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:29:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:29:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:29:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-08-22 21:29:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-08-22 21:29:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:29:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-08-22 21:29:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-08-22 21:29:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-08-22 21:29:32,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920732969] [2020-08-22 21:29:32,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:29:32,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 21:29:32,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135179084] [2020-08-22 21:29:32,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:29:32,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:29:32,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:29:32,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:29:32,588 INFO L87 Difference]: Start difference. First operand 2356 states and 2730 transitions. Second operand 15 states. [2020-08-22 21:29:33,216 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:33,452 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:33,680 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:33,906 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:34,120 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:35,003 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:35,247 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:35,508 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:35,778 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:36,023 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:37,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:37,989 INFO L93 Difference]: Finished difference Result 4453 states and 5391 transitions. [2020-08-22 21:29:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 21:29:37,995 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 290 [2020-08-22 21:29:37,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:38,009 INFO L225 Difference]: With dead ends: 4453 [2020-08-22 21:29:38,009 INFO L226 Difference]: Without dead ends: 2207 [2020-08-22 21:29:38,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:29:38,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-08-22 21:29:39,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 1923. [2020-08-22 21:29:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2020-08-22 21:29:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2216 transitions. [2020-08-22 21:29:39,014 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2216 transitions. Word has length 290 [2020-08-22 21:29:39,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:39,015 INFO L479 AbstractCegarLoop]: Abstraction has 1923 states and 2216 transitions. [2020-08-22 21:29:39,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:29:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2216 transitions. [2020-08-22 21:29:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-08-22 21:29:39,021 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:39,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 21:29:39,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:29:39,022 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:39,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:39,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1293487728, now seen corresponding path program 2 times [2020-08-22 21:29:39,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:39,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453168628] [2020-08-22 21:29:39,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:29:39,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:29:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:29:39,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:29:39,677 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:29:39,677 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:29:39,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:29:40,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:29:40 BoogieIcfgContainer [2020-08-22 21:29:40,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:29:40,049 INFO L168 Benchmark]: Toolchain (without parser) took 69016.17 ms. Allocated memory was 140.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 103.1 MB in the beginning and 781.0 MB in the end (delta: -677.9 MB). Peak memory consumption was 442.5 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:40,053 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 21:29:40,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.04 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 102.9 MB in the beginning and 174.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:40,056 INFO L168 Benchmark]: Boogie Preprocessor took 93.90 ms. Allocated memory is still 206.0 MB. Free memory was 174.7 MB in the beginning and 170.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:40,061 INFO L168 Benchmark]: RCFGBuilder took 1264.25 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 170.6 MB in the beginning and 173.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:40,062 INFO L168 Benchmark]: TraceAbstraction took 66949.24 ms. Allocated memory was 235.4 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 173.8 MB in the beginning and 781.0 MB in the end (delta: -607.2 MB). Peak memory consumption was 417.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:40,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.04 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 102.9 MB in the beginning and 174.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.90 ms. Allocated memory is still 206.0 MB. Free memory was 174.7 MB in the beginning and 170.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1264.25 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 170.6 MB in the beginning and 173.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66949.24 ms. Allocated memory was 235.4 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 173.8 MB in the beginning and 781.0 MB in the end (delta: -607.2 MB). Peak memory consumption was 417.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 439]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=145, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=145, pumpRunning=132, systemActive=131, waterLevel=138] [L444] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=132, systemActive=131, waterLevel=138] [L556] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=145, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=131, waterLevel=138] [L557] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=138] [L774] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L775] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=145, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] 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] [L526] 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] [L530] 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] [L531] 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] [L532] 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] [L963] 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] [L966] 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] [L967] 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] [L532] 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] [L532] 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] [L534] 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] [L536] 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] [L537] 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] [L516] 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] [L869] 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] [L870] 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] [L871] 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] [L872] 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] [L873] 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] [L876] 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] [L878] 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] [L880] 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] [L886] 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] [L888] 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] [L890] 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] [L792] 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] [L793] 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] [L890] 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] [L896] 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] [L898] 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] [L906] tmp___2 = __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___2=1, waterLevel=2] [L908] COND TRUE \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=1, waterLevel=2] [L910] CALL startSystem() 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] [L769] systemActive = 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] [L910] RET startSystem() 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=1, waterLevel=2] [L925] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L592] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L733] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] retValue_acc = 0 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=1, waterLevel=2] [L862] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L738] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L740] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L743] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L745] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L746] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L597] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L599] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L601] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L651] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L655] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L676] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L813] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L816] 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=1, waterLevel=2] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] retValue_acc = 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, retValue_acc=0, systemActive=1, waterLevel=2] [L682] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L655] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L655] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L657] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L661] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L601] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L636] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L572] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L578] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L845] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L848] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L849] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L578] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L925] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L878] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L880] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L886] tmp = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L888] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L896] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L898] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L906] tmp___2 = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L908] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L910] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L769] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L910] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L925] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L563] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L780] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L781] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L565] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L570] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L572] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L623] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L676] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L813] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L816] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L680] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L682] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L623] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L623] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L625] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L631] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L592] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L595] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L610] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L631] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L572] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L578] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L845] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L848] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L849] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L578] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L925] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L878] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L880] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L886] tmp = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L888] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L896] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L898] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L906] tmp___2 = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L908] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L910] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L769] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L910] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L925] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L563] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L565] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L780] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L781] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L565] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L570] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L572] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L621] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L623] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L676] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L680] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L813] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L816] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L680] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L680] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L682] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L623] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L623] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L625] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L631] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L592] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L595] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L610] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L631] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L572] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L578] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L845] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L848] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L849] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L687] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L690] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L691] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L439] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 637 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 66.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 55.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2516 SDtfs, 8435 SDslu, 6435 SDs, 0 SdLazy, 16210 SolverSat, 3353 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 537 GetRequests, 313 SyntacticMatches, 8 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1971 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2356occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2248 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2200 NumberOfCodeBlocks, 2200 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 944369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 163/186 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...