/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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:28:07,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:28:07,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:28:07,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:28:07,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:28:07,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:28:07,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:28:07,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:28:07,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:28:07,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:28:07,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:28:07,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:28:07,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:28:07,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:28:07,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:28:07,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:28:07,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:28:07,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:28:07,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:28:07,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:28:07,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:28:07,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:28:07,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:28:07,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:28:07,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:28:07,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:28:07,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:28:07,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:28:07,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:28:07,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:28:07,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:28:07,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:28:07,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:28:07,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:28:07,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:28:07,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:28:07,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:28:07,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:28:07,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:28:07,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:28:07,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:28:07,965 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 21:28:07,980 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:28:07,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:28:07,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:28:07,982 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:28:07,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:28:07,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:28:07,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:28:07,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:28:07,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:28:07,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:28:07,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:28:07,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:28:07,985 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:28:07,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:28:07,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:28:07,985 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:28:07,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:28:07,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:28:07,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:28:07,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:28:07,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:28:07,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:28:07,987 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 21:28:08,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:28:08,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:28:08,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:28:08,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:28:08,299 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:28:08,300 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-08-22 21:28:08,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6962474de/0ddf27eab8ba4e90bf84f4bb25f87bd4/FLAGf900b741e [2020-08-22 21:28:09,000 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:28:09,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-08-22 21:28:09,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6962474de/0ddf27eab8ba4e90bf84f4bb25f87bd4/FLAGf900b741e [2020-08-22 21:28:09,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6962474de/0ddf27eab8ba4e90bf84f4bb25f87bd4 [2020-08-22 21:28:09,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:28:09,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:28:09,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:28:09,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:28:09,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:28:09,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:09,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aedcf03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09, skipping insertion in model container [2020-08-22 21:28:09,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:09,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:28:09,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:28:09,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:28:09,811 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:28:09,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:28:09,942 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:28:09,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09 WrapperNode [2020-08-22 21:28:09,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:28:09,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:28:09,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:28:09,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:28:09,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:09,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:09,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:09,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:10,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:10,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:10,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (1/1) ... [2020-08-22 21:28:10,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:28:10,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:28:10,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:28:10,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:28:10,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (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 21:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:28:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:28:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:28:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:28:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:28:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:28:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 21:28:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:28:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:28:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:28:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:28:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:28:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:28:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:28:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:28:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:28:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:28:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:28:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:28:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:28:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:28:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:28:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:28:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:28:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:28:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:28:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 21:28:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:28:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:28:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:28:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:28:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:28:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:28:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:28:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:28:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:28:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:28:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:28:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:28:11,248 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:28:11,248 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:28:11,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:11 BoogieIcfgContainer [2020-08-22 21:28:11,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:28:11,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:28:11,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:28:11,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:28:11,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:28:09" (1/3) ... [2020-08-22 21:28:11,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35bb5ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:28:11, skipping insertion in model container [2020-08-22 21:28:11,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:09" (2/3) ... [2020-08-22 21:28:11,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35bb5ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:28:11, skipping insertion in model container [2020-08-22 21:28:11,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:11" (3/3) ... [2020-08-22 21:28:11,269 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-08-22 21:28:11,282 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:28:11,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:28:11,312 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:28:11,335 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:28:11,335 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:28:11,335 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:28:11,336 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:28:11,336 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:28:11,337 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:28:11,337 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:28:11,337 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:28:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-08-22 21:28:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 21:28:11,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:11,410 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 21:28:11,411 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:11,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2095519096, now seen corresponding path program 1 times [2020-08-22 21:28:11,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:11,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773432069] [2020-08-22 21:28:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,159 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:28:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:28:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:12,314 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 21:28:12,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773432069] [2020-08-22 21:28:12,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:12,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:28:12,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856761565] [2020-08-22 21:28:12,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:28:12,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:12,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:28:12,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:28:12,342 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 3 states. [2020-08-22 21:28:13,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:13,750 INFO L93 Difference]: Finished difference Result 497 states and 590 transitions. [2020-08-22 21:28:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:28:13,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-08-22 21:28:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:13,771 INFO L225 Difference]: With dead ends: 497 [2020-08-22 21:28:13,771 INFO L226 Difference]: Without dead ends: 307 [2020-08-22 21:28:13,777 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 21:28:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-22 21:28:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 264. [2020-08-22 21:28:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-08-22 21:28:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 287 transitions. [2020-08-22 21:28:13,943 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 287 transitions. Word has length 142 [2020-08-22 21:28:13,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:13,945 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 287 transitions. [2020-08-22 21:28:13,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:28:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 287 transitions. [2020-08-22 21:28:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-22 21:28:13,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:13,958 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 21:28:13,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:28:13,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:13,959 INFO L82 PathProgramCache]: Analyzing trace with hash -89616240, now seen corresponding path program 1 times [2020-08-22 21:28:13,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:13,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859094470] [2020-08-22 21:28:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,425 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:14,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:28:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:28:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:14,506 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 21:28:14,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859094470] [2020-08-22 21:28:14,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:14,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:28:14,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155535810] [2020-08-22 21:28:14,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:28:14,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:14,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:28:14,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:28:14,510 INFO L87 Difference]: Start difference. First operand 264 states and 287 transitions. Second operand 4 states. [2020-08-22 21:28:15,146 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:16,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:16,140 INFO L93 Difference]: Finished difference Result 414 states and 465 transitions. [2020-08-22 21:28:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:28:16,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-08-22 21:28:16,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:16,154 INFO L225 Difference]: With dead ends: 414 [2020-08-22 21:28:16,154 INFO L226 Difference]: Without dead ends: 290 [2020-08-22 21:28:16,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:28:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-08-22 21:28:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 254. [2020-08-22 21:28:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-22 21:28:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 274 transitions. [2020-08-22 21:28:16,253 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 274 transitions. Word has length 143 [2020-08-22 21:28:16,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:16,254 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 274 transitions. [2020-08-22 21:28:16,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:28:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 274 transitions. [2020-08-22 21:28:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-08-22 21:28:16,256 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:16,257 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] [2020-08-22 21:28:16,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:28:16,257 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:16,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:16,258 INFO L82 PathProgramCache]: Analyzing trace with hash -407616120, now seen corresponding path program 1 times [2020-08-22 21:28:16,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:16,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532451577] [2020-08-22 21:28:16,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,592 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:28:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 21:28:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:16,792 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 21:28:16,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532451577] [2020-08-22 21:28:16,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:16,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:28:16,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627390744] [2020-08-22 21:28:16,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:28:16,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:16,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:28:16,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:28:16,799 INFO L87 Difference]: Start difference. First operand 254 states and 274 transitions. Second operand 9 states. [2020-08-22 21:28:17,296 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:17,639 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:17,890 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:18,182 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:18,422 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:18,664 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:20,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:20,222 INFO L93 Difference]: Finished difference Result 434 states and 490 transitions. [2020-08-22 21:28:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 21:28:20,225 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-08-22 21:28:20,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:20,229 INFO L225 Difference]: With dead ends: 434 [2020-08-22 21:28:20,229 INFO L226 Difference]: Without dead ends: 290 [2020-08-22 21:28:20,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:28:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-08-22 21:28:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 254. [2020-08-22 21:28:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-22 21:28:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 273 transitions. [2020-08-22 21:28:20,307 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 273 transitions. Word has length 152 [2020-08-22 21:28:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:20,308 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 273 transitions. [2020-08-22 21:28:20,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:28:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 273 transitions. [2020-08-22 21:28:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-08-22 21:28:20,310 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:20,310 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] [2020-08-22 21:28:20,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:28:20,311 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:20,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:20,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2103188336, now seen corresponding path program 1 times [2020-08-22 21:28:20,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:20,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936305343] [2020-08-22 21:28:20,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,591 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-22 21:28:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 21:28:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 21:28:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:20,760 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 21:28:20,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936305343] [2020-08-22 21:28:20,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:20,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 21:28:20,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623115648] [2020-08-22 21:28:20,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 21:28:20,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:20,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 21:28:20,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 21:28:20,762 INFO L87 Difference]: Start difference. First operand 254 states and 273 transitions. Second operand 6 states. [2020-08-22 21:28:21,343 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:23,084 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:23,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:23,740 INFO L93 Difference]: Finished difference Result 578 states and 657 transitions. [2020-08-22 21:28:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 21:28:23,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-08-22 21:28:23,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:23,745 INFO L225 Difference]: With dead ends: 578 [2020-08-22 21:28:23,745 INFO L226 Difference]: Without dead ends: 434 [2020-08-22 21:28:23,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:28:23,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-08-22 21:28:23,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 375. [2020-08-22 21:28:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-22 21:28:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 402 transitions. [2020-08-22 21:28:23,872 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 402 transitions. Word has length 165 [2020-08-22 21:28:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:23,872 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 402 transitions. [2020-08-22 21:28:23,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 21:28:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 402 transitions. [2020-08-22 21:28:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-08-22 21:28:23,875 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:23,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:23,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:28:23,876 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:23,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:23,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1530420149, now seen corresponding path program 1 times [2020-08-22 21:28:23,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:23,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559818481] [2020-08-22 21:28:23,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,290 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:24,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-22 21:28:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-08-22 21:28:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-08-22 21:28:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:24,559 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 21:28:24,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559818481] [2020-08-22 21:28:24,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:24,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:28:24,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655897859] [2020-08-22 21:28:24,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:28:24,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:24,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:28:24,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:28:24,562 INFO L87 Difference]: Start difference. First operand 375 states and 402 transitions. Second operand 14 states. [2020-08-22 21:28:24,987 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:25,319 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:25,552 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:25,848 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:26,091 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:26,335 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:26,967 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:28,219 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:28,487 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:28,810 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:29,075 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:29,314 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:29,556 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:29,829 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:30,134 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:30,440 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:30,683 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:32,091 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:32,344 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:32,775 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:33,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:33,526 INFO L93 Difference]: Finished difference Result 1136 states and 1339 transitions. [2020-08-22 21:28:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 21:28:33,527 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 189 [2020-08-22 21:28:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:33,535 INFO L225 Difference]: With dead ends: 1136 [2020-08-22 21:28:33,535 INFO L226 Difference]: Without dead ends: 871 [2020-08-22 21:28:33,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 21:28:33,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-08-22 21:28:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 774. [2020-08-22 21:28:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2020-08-22 21:28:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 856 transitions. [2020-08-22 21:28:33,779 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 856 transitions. Word has length 189 [2020-08-22 21:28:33,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:33,779 INFO L479 AbstractCegarLoop]: Abstraction has 774 states and 856 transitions. [2020-08-22 21:28:33,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:28:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 856 transitions. [2020-08-22 21:28:33,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-08-22 21:28:33,785 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:33,786 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, 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] [2020-08-22 21:28:33,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:28:33,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:33,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:33,787 INFO L82 PathProgramCache]: Analyzing trace with hash 209960832, now seen corresponding path program 1 times [2020-08-22 21:28:33,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:33,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439465557] [2020-08-22 21:28:33,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,100 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:28:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:28:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 21:28:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-08-22 21:28:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-08-22 21:28:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:28:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-08-22 21:28:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-22 21:28:34,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439465557] [2020-08-22 21:28:34,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:34,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 21:28:34,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279482319] [2020-08-22 21:28:34,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:28:34,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:34,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:28:34,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:28:34,459 INFO L87 Difference]: Start difference. First operand 774 states and 856 transitions. Second operand 11 states. [2020-08-22 21:28:35,136 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 21:28:35,759 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:37,894 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 21:28:39,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:39,834 INFO L93 Difference]: Finished difference Result 1448 states and 1684 transitions. [2020-08-22 21:28:39,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 21:28:39,835 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2020-08-22 21:28:39,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:39,841 INFO L225 Difference]: With dead ends: 1448 [2020-08-22 21:28:39,841 INFO L226 Difference]: Without dead ends: 953 [2020-08-22 21:28:39,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2020-08-22 21:28:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-08-22 21:28:40,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 886. [2020-08-22 21:28:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-08-22 21:28:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 999 transitions. [2020-08-22 21:28:40,096 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 999 transitions. Word has length 270 [2020-08-22 21:28:40,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:40,097 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 999 transitions. [2020-08-22 21:28:40,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:28:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 999 transitions. [2020-08-22 21:28:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-08-22 21:28:40,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:40,103 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:28:40,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:28:40,104 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:40,104 INFO L82 PathProgramCache]: Analyzing trace with hash 721796735, now seen corresponding path program 1 times [2020-08-22 21:28:40,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:40,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150099945] [2020-08-22 21:28:40,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,356 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:40,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:28:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:28:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-08-22 21:28:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 21:28:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:28:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-08-22 21:28:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-08-22 21:28:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-08-22 21:28:40,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150099945] [2020-08-22 21:28:40,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:40,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 21:28:40,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927187837] [2020-08-22 21:28:40,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:28:40,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:40,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:28:40,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:28:40,631 INFO L87 Difference]: Start difference. First operand 886 states and 999 transitions. Second operand 11 states. [2020-08-22 21:28:41,718 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:41,951 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:42,192 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:28:42,415 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:42,652 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:42,873 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:44,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:44,303 INFO L93 Difference]: Finished difference Result 1755 states and 2058 transitions. [2020-08-22 21:28:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 21:28:44,304 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 278 [2020-08-22 21:28:44,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:44,312 INFO L225 Difference]: With dead ends: 1755 [2020-08-22 21:28:44,312 INFO L226 Difference]: Without dead ends: 979 [2020-08-22 21:28:44,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:28:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-08-22 21:28:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 910. [2020-08-22 21:28:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-08-22 21:28:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1025 transitions. [2020-08-22 21:28:44,600 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1025 transitions. Word has length 278 [2020-08-22 21:28:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:44,601 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1025 transitions. [2020-08-22 21:28:44,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:28:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1025 transitions. [2020-08-22 21:28:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-08-22 21:28:44,606 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:44,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:28:44,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:28:44,607 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1230255585, now seen corresponding path program 1 times [2020-08-22 21:28:44,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:44,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850831751] [2020-08-22 21:28:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,860 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:44,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:44,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:28:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:28:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-08-22 21:28:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 21:28:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:28:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-08-22 21:28:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-08-22 21:28:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-08-22 21:28:45,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850831751] [2020-08-22 21:28:45,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:45,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 21:28:45,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31902526] [2020-08-22 21:28:45,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:28:45,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:45,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:28:45,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:28:45,330 INFO L87 Difference]: Start difference. First operand 910 states and 1025 transitions. Second operand 14 states. [2020-08-22 21:28:46,075 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:46,302 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:46,534 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:46,764 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:46,983 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:47,735 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:47,980 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:48,210 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:48,460 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:48,686 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:50,043 INFO L93 Difference]: Finished difference Result 1593 states and 1842 transitions. [2020-08-22 21:28:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 21:28:50,044 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 278 [2020-08-22 21:28:50,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:50,050 INFO L225 Difference]: With dead ends: 1593 [2020-08-22 21:28:50,050 INFO L226 Difference]: Without dead ends: 793 [2020-08-22 21:28:50,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-08-22 21:28:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-08-22 21:28:50,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 751. [2020-08-22 21:28:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2020-08-22 21:28:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 841 transitions. [2020-08-22 21:28:50,329 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 841 transitions. Word has length 278 [2020-08-22 21:28:50,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:50,330 INFO L479 AbstractCegarLoop]: Abstraction has 751 states and 841 transitions. [2020-08-22 21:28:50,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:28:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 841 transitions. [2020-08-22 21:28:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-08-22 21:28:50,332 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:50,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:28:50,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:28:50,333 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:50,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:50,333 INFO L82 PathProgramCache]: Analyzing trace with hash -186492373, now seen corresponding path program 1 times [2020-08-22 21:28:50,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:50,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263142105] [2020-08-22 21:28:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,605 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:50,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:28:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:28:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:28:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:28:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-08-22 21:28:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:28:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:28:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-08-22 21:28:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2020-08-22 21:28:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-08-22 21:28:50,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263142105] [2020-08-22 21:28:50,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:50,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 21:28:50,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50944456] [2020-08-22 21:28:50,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:28:50,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:50,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:28:50,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:28:50,964 INFO L87 Difference]: Start difference. First operand 751 states and 841 transitions. Second operand 15 states. [2020-08-22 21:28:51,397 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:52,306 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:53,453 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:53,717 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:53,999 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:54,272 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:54,506 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:54,749 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:54,972 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:55,255 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:55,498 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:55,799 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:56,054 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:56,307 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:57,564 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:57,806 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:58,045 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:58,353 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:58,613 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:58,859 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:59,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:59,703 INFO L93 Difference]: Finished difference Result 1915 states and 2211 transitions. [2020-08-22 21:28:59,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-22 21:28:59,713 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 283 [2020-08-22 21:28:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:59,720 INFO L225 Difference]: With dead ends: 1915 [2020-08-22 21:28:59,720 INFO L226 Difference]: Without dead ends: 1274 [2020-08-22 21:28:59,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=328, Invalid=1394, Unknown=0, NotChecked=0, Total=1722 [2020-08-22 21:28:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2020-08-22 21:29:00,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1208. [2020-08-22 21:29:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-08-22 21:29:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1345 transitions. [2020-08-22 21:29:00,188 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1345 transitions. Word has length 283 [2020-08-22 21:29:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:00,189 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1345 transitions. [2020-08-22 21:29:00,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:29:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1345 transitions. [2020-08-22 21:29:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-08-22 21:29:00,192 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:00,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:00,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:29:00,193 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:00,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:00,194 INFO L82 PathProgramCache]: Analyzing trace with hash -460450709, now seen corresponding path program 1 times [2020-08-22 21:29:00,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:00,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236398410] [2020-08-22 21:29:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,496 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:29:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:29:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:29:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:29:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:29:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:29:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:29:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:29:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:29:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:29:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:29:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:29:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-08-22 21:29:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:29:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:29:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-08-22 21:29:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-08-22 21:29:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-22 21:29:00,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236398410] [2020-08-22 21:29:00,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:29:00,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 21:29:00,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804092592] [2020-08-22 21:29:00,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 21:29:00,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:29:00,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 21:29:00,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-08-22 21:29:00,763 INFO L87 Difference]: Start difference. First operand 1208 states and 1345 transitions. Second operand 13 states. [2020-08-22 21:29:01,213 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:01,913 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:02,947 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:03,244 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:03,531 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:03,785 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:04,031 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:04,275 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:04,521 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:04,791 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:05,092 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:05,344 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:06,911 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:07,146 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:08,130 INFO L93 Difference]: Finished difference Result 2761 states and 3232 transitions. [2020-08-22 21:29:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-22 21:29:08,131 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 287 [2020-08-22 21:29:08,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:08,143 INFO L225 Difference]: With dead ends: 2761 [2020-08-22 21:29:08,143 INFO L226 Difference]: Without dead ends: 1833 [2020-08-22 21:29:08,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=363, Invalid=897, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 21:29:08,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2020-08-22 21:29:08,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1582. [2020-08-22 21:29:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-08-22 21:29:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 1782 transitions. [2020-08-22 21:29:08,772 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 1782 transitions. Word has length 287 [2020-08-22 21:29:08,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:08,773 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 1782 transitions. [2020-08-22 21:29:08,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 21:29:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1782 transitions. [2020-08-22 21:29:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-08-22 21:29:08,777 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:08,777 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, 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 21:29:08,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:29:08,778 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:08,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:08,778 INFO L82 PathProgramCache]: Analyzing trace with hash 493291715, now seen corresponding path program 2 times [2020-08-22 21:29:08,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:08,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946177439] [2020-08-22 21:29:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:29:08,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:29:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:29:08,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:29:09,225 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:29:09,225 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:29:09,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:29:09,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:29:09 BoogieIcfgContainer [2020-08-22 21:29:09,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:29:09,514 INFO L168 Benchmark]: Toolchain (without parser) took 60260.60 ms. Allocated memory was 140.0 MB in the beginning and 1.1 GB in the end (delta: 911.7 MB). Free memory was 101.2 MB in the beginning and 514.1 MB in the end (delta: -412.8 MB). Peak memory consumption was 498.9 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:09,515 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 120.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-22 21:29:09,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.07 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 169.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:09,516 INFO L168 Benchmark]: Boogie Preprocessor took 95.19 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 166.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:09,517 INFO L168 Benchmark]: RCFGBuilder took 1218.29 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 172.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:09,517 INFO L168 Benchmark]: TraceAbstraction took 58251.61 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 814.7 MB). Free memory was 172.8 MB in the beginning and 514.1 MB in the end (delta: -341.3 MB). Peak memory consumption was 473.4 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:09,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 120.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.07 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 169.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.19 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 166.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1218.29 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 172.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58251.61 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 814.7 MB). Free memory was 172.8 MB in the beginning and 514.1 MB in the end (delta: -341.3 MB). Peak memory consumption was 473.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 317]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L117] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=143, cleanupTimeShifts=175, head={176:165}, methaneLevelCritical=147, pumpRunning=0, systemActive=137, waterLevel=143] [L118] int systemActive = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=143, cleanupTimeShifts=175, head={176:165}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=143] [L491] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=143, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=143] [L715] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=143] [L814] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=1] [L815] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L791] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L796] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L937] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L938] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L798] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L798] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L800] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L802] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L803] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L782] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L45] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L48] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L49] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L52] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L54] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L56] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L62] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L64] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L66] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L833] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L72] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L74] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L82] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L84] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L97] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L125] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L180] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L198] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L159] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L295] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L902] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L300] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L302] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L305] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L307] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L308] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L159] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L159] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L161] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L163] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L213] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L217] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L857] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L217] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L217] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L219] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L223] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L208] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L223] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L163] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L198] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L134] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L140] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L690] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L691] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L695] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L885] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L888] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L889] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L695] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L695] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L697] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L140] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L97] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L54] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L56] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L62] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L64] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L72] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L74] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L82] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L84] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L97] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L125] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L127] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L820] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L821] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L127] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L132] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L134] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L180] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L183] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L185] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L856] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L857] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L242] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L185] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L185] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L187] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L193] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L193] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L134] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L690] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L691] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L695] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L885] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L888] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L889] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L695] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L695] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L697] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L140] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L97] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L54] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L56] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L62] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L64] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L72] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L74] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L82] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L84] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L97] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L125] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L127] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L820] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L821] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L127] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L132] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L134] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L180] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L183] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L185] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L853] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L856] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L857] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L242] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L185] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L185] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L187] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L193] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L157] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L193] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L134] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L690] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L691] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L695] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L885] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L888] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L889] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L695] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L695] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L697] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L699] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L249] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L252] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L253] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L699] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L699] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L701] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L703] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L317] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 627 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 48.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2690 SDtfs, 6520 SDslu, 6020 SDs, 0 SdLazy, 14026 SolverSat, 2115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 568 GetRequests, 365 SyntacticMatches, 9 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 22.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1582occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 766 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2544 NumberOfCodeBlocks, 2544 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2177 ConstructedInterpolants, 0 QuantifiedInterpolants, 1136708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 232/268 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...