/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:56,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:56,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:56,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:56,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:56,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:56,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:56,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:56,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:56,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:56,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:56,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:56,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:56,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:56,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:56,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:56,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:56,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:56,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:56,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:56,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:56,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:56,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:56,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:56,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:56,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:56,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:56,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:56,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:56,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:56,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:56,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:56,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:56,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:56,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:56,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:56,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:56,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:56,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:56,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:56,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:56,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:11:56,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:56,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:56,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:56,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:56,994 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:56,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:56,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:56,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:56,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:56,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:56,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:56,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:56,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:56,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:56,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:56,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:56,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:56,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:56,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:56,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:56,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:56,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:56,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:56,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:56,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:56,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:56,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:56,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:56,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:56,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:11:57,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:57,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:57,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:57,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:57,450 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:57,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-09-21 11:11:57,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d90bcad2/c159bae899e84919a1119ed646263140/FLAG0bc867219 [2020-09-21 11:11:58,152 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:58,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-09-21 11:11:58,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d90bcad2/c159bae899e84919a1119ed646263140/FLAG0bc867219 [2020-09-21 11:11:58,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d90bcad2/c159bae899e84919a1119ed646263140 [2020-09-21 11:11:58,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:58,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:58,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:58,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:58,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:58,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:58" (1/1) ... [2020-09-21 11:11:58,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca632cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:58, skipping insertion in model container [2020-09-21 11:11:58,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:58" (1/1) ... [2020-09-21 11:11:58,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:58,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:58,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:58,967 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:59,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:59,087 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:59,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59 WrapperNode [2020-09-21 11:11:59,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:59,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:59,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:59,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:59,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... [2020-09-21 11:11:59,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:59,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:59,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:59,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:59,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:11:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:11:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:11:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:11:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:11:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:11:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:11:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:11:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:11:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:12:00,434 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:12:00,434 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:12:00,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:00 BoogieIcfgContainer [2020-09-21 11:12:00,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:12:00,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:12:00,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:12:00,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:12:00,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:58" (1/3) ... [2020-09-21 11:12:00,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103a8e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:00, skipping insertion in model container [2020-09-21 11:12:00,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:59" (2/3) ... [2020-09-21 11:12:00,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103a8e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:00, skipping insertion in model container [2020-09-21 11:12:00,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:00" (3/3) ... [2020-09-21 11:12:00,456 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2020-09-21 11:12:00,468 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:12:00,481 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:12:00,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:12:00,529 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:12:00,529 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:12:00,529 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:12:00,530 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:12:00,530 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:12:00,530 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:12:00,530 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:12:00,530 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:12:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-21 11:12:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:12:00,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:00,569 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] [2020-09-21 11:12:00,570 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:00,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:00,578 INFO L82 PathProgramCache]: Analyzing trace with hash 144748064, now seen corresponding path program 1 times [2020-09-21 11:12:00,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:00,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301836991] [2020-09-21 11:12:00,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:12:00,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:12:00,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:12:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:01,360 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:01,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:01,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:01,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:01,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:01,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:01,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:01,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:01,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:01,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:01,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:01,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:01,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:12:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:01,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:01,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:01,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:01,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:01,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:01,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:01,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:01,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:01,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:01,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:01,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:01,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301836991] [2020-09-21 11:12:01,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:01,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:12:01,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144569499] [2020-09-21 11:12:01,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:12:01,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:01,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:12:01,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:01,565 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-09-21 11:12:02,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:02,743 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-09-21 11:12:02,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:02,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:02,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:02,765 INFO L225 Difference]: With dead ends: 294 [2020-09-21 11:12:02,765 INFO L226 Difference]: Without dead ends: 159 [2020-09-21 11:12:02,771 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 [2020-09-21 11:12:02,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-21 11:12:02,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-09-21 11:12:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:12:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 11:12:02,876 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-09-21 11:12:02,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:02,877 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 11:12:02,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 11:12:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:02,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:02,882 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] [2020-09-21 11:12:02,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:02,883 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:02,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:02,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1374578105, now seen corresponding path program 1 times [2020-09-21 11:12:02,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:02,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107471154] [2020-09-21 11:12:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:03,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:03,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:03,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,416 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:03,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:03,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:03,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:03,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:03,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:03,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:03,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:03,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:03,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:03,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:03,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:03,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:03,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107471154] [2020-09-21 11:12:03,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:03,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:03,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057405538] [2020-09-21 11:12:03,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:03,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:03,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:03,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:03,505 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-09-21 11:12:03,953 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:04,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:04,895 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-09-21 11:12:04,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:04,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:04,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:04,901 INFO L225 Difference]: With dead ends: 223 [2020-09-21 11:12:04,901 INFO L226 Difference]: Without dead ends: 143 [2020-09-21 11:12:04,905 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 [2020-09-21 11:12:04,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-21 11:12:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-09-21 11:12:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:12:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-09-21 11:12:04,968 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-09-21 11:12:04,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:04,969 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-09-21 11:12:04,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-09-21 11:12:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:12:04,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:04,978 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] [2020-09-21 11:12:04,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:04,978 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:04,979 INFO L82 PathProgramCache]: Analyzing trace with hash 699793598, now seen corresponding path program 1 times [2020-09-21 11:12:04,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:04,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274332685] [2020-09-21 11:12:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:05,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:12:05,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-09-21 11:12:05,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:12:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:12:05,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,868 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:05,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:12:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:05,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:05,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:05,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:05,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:06,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:06,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:06,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:06,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:12:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:06,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:06,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274332685] [2020-09-21 11:12:06,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:06,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:06,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180114943] [2020-09-21 11:12:06,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:06,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:06,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:06,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:06,042 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 4 states. [2020-09-21 11:12:06,376 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:07,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:07,341 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-09-21 11:12:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:07,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:12:07,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:07,345 INFO L225 Difference]: With dead ends: 236 [2020-09-21 11:12:07,345 INFO L226 Difference]: Without dead ends: 143 [2020-09-21 11:12:07,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:07,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-21 11:12:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-09-21 11:12:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:12:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-09-21 11:12:07,382 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-09-21 11:12:07,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:07,383 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-09-21 11:12:07,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-09-21 11:12:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:12:07,385 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:07,385 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] [2020-09-21 11:12:07,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:07,385 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:07,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:07,386 INFO L82 PathProgramCache]: Analyzing trace with hash -484120084, now seen corresponding path program 1 times [2020-09-21 11:12:07,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:07,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960499614] [2020-09-21 11:12:07,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:07,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:07,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:07,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:07,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:07,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:12:07,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:07,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-09-21 11:12:07,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:12:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,374 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:08,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:12:08,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:08,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:08,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:08,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:08,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:08,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:08,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:08,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:08,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:08,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:08,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:08,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:12:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:08,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:08,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:12:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:08,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:08,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:08,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:08,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:08,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:08,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:12:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:08,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:08,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:08,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:12:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:08,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:08,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:08,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:08,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:08,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:08,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:08,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:08,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:08,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:08,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:08,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960499614] [2020-09-21 11:12:08,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:08,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:08,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122635313] [2020-09-21 11:12:08,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:08,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:08,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:08,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:08,621 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 8 states. [2020-09-21 11:12:09,071 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:10,657 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:11,073 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:11,398 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:11,720 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:12,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:12,635 INFO L93 Difference]: Finished difference Result 352 states and 456 transitions. [2020-09-21 11:12:12,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:12,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 11:12:12,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:12,641 INFO L225 Difference]: With dead ends: 352 [2020-09-21 11:12:12,641 INFO L226 Difference]: Without dead ends: 259 [2020-09-21 11:12:12,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:12,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-21 11:12:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 210. [2020-09-21 11:12:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-09-21 11:12:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 248 transitions. [2020-09-21 11:12:12,695 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 248 transitions. Word has length 65 [2020-09-21 11:12:12,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:12,696 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 248 transitions. [2020-09-21 11:12:12,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 248 transitions. [2020-09-21 11:12:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:12:12,698 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:12,698 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] [2020-09-21 11:12:12,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:12,699 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:12,699 INFO L82 PathProgramCache]: Analyzing trace with hash -420347502, now seen corresponding path program 1 times [2020-09-21 11:12:12,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:12,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985100662] [2020-09-21 11:12:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:12:13,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-21 11:12:13,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:12:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:13,440 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:13,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:12:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:13,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:13,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:13,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:13,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:13,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:13,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:13,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:13,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:13,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:13,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:13,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:13,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:13,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:12:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:13,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:13,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:13,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:13,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:13,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:13,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:13,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:12:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:13,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:13,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:13,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:13,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:13,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:13,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:13,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:13,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985100662] [2020-09-21 11:12:13,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:13,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:13,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147925934] [2020-09-21 11:12:13,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:13,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:13,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:13,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:13,805 INFO L87 Difference]: Start difference. First operand 210 states and 248 transitions. Second operand 11 states. [2020-09-21 11:12:14,491 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:15,160 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:16,574 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:17,149 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:17,459 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:17,842 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:18,196 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:19,185 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:12:20,300 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:12:21,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:21,714 INFO L93 Difference]: Finished difference Result 664 states and 858 transitions. [2020-09-21 11:12:21,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:12:21,715 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 69 [2020-09-21 11:12:21,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:21,721 INFO L225 Difference]: With dead ends: 664 [2020-09-21 11:12:21,722 INFO L226 Difference]: Without dead ends: 558 [2020-09-21 11:12:21,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:12:21,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-09-21 11:12:21,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 438. [2020-09-21 11:12:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-09-21 11:12:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 516 transitions. [2020-09-21 11:12:21,829 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 516 transitions. Word has length 69 [2020-09-21 11:12:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:21,830 INFO L479 AbstractCegarLoop]: Abstraction has 438 states and 516 transitions. [2020-09-21 11:12:21,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:21,830 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 516 transitions. [2020-09-21 11:12:21,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:12:21,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:21,833 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] [2020-09-21 11:12:21,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:21,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:21,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1366686438, now seen corresponding path program 1 times [2020-09-21 11:12:21,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:21,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528450207] [2020-09-21 11:12:21,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:12:22,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-21 11:12:22,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:12:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:12:22,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,431 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:22,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:12:22,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:22,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:22,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:22,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:22,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:22,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:22,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:22,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:12:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:22,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:22,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:12:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:22,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:22,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:22,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:22,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:12:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:22,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:22,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:22,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:12:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:22,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:22,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528450207] [2020-09-21 11:12:22,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:22,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:22,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784532552] [2020-09-21 11:12:22,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:22,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:22,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:22,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:22,612 INFO L87 Difference]: Start difference. First operand 438 states and 516 transitions. Second operand 6 states. [2020-09-21 11:12:23,028 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:23,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:23,613 INFO L93 Difference]: Finished difference Result 549 states and 661 transitions. [2020-09-21 11:12:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:12:23,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-09-21 11:12:23,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:23,614 INFO L225 Difference]: With dead ends: 549 [2020-09-21 11:12:23,615 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:23,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:12:23,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:23,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 11:12:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:23,619 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:23,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:23,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:23,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:23,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:24,422 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 201 [2020-09-21 11:12:24,593 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:24,754 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:24,917 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,081 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,253 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:25,412 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,587 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,758 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:25,921 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,096 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,259 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,412 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:26,591 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:26,745 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,900 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:27,056 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:27,412 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:12:27,683 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:28,041 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:12:28,198 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:28,351 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:28,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:28,667 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:28,819 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:28,978 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,146 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,300 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:29,456 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,609 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,763 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:29,916 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,070 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,225 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:30,379 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,544 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,703 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:30,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:31,016 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:31,610 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 22 [2020-09-21 11:12:32,230 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 201 [2020-09-21 11:12:32,862 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 201 [2020-09-21 11:12:33,018 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,178 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:33,332 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:33,595 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:33,858 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:34,111 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:34,270 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:34,887 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 201 [2020-09-21 11:12:35,054 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,220 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,472 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:36,088 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:36,307 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:36,522 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:37,148 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:37,375 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:37,614 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:38,233 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:38,897 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-21 11:12:39,178 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:39,826 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-09-21 11:12:40,458 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:40,679 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:41,311 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:12:41,936 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:12:42,145 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:42,366 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:42,580 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:42,821 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:43,094 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:43,319 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:43,540 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:44,100 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:44,781 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:45,035 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:45,253 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:45,476 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 664) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point L665(lines 642 666) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 618 673) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 653) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 618 673) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-09-21 11:12:45,540 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 618 673) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 710) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point L700-2(lines 700 725) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point L726(lines 699 727) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 674 733) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 674 733) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-09-21 11:12:45,541 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 674 733) no Hoare annotation was computed. [2020-09-21 11:12:45,542 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-09-21 11:12:45,542 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-09-21 11:12:45,542 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-09-21 11:12:45,542 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-09-21 11:12:45,542 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-09-21 11:12:45,542 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-09-21 11:12:45,542 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-09-21 11:12:45,542 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2020-09-21 11:12:45,543 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2020-09-21 11:12:45,543 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:45,543 INFO L268 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-09-21 11:12:45,543 INFO L264 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:45,543 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-09-21 11:12:45,544 INFO L268 CegarLoopResult]: For program point L548(lines 548 561) no Hoare annotation was computed. [2020-09-21 11:12:45,544 INFO L268 CegarLoopResult]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2020-09-21 11:12:45,544 INFO L271 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: true [2020-09-21 11:12:45,544 INFO L264 CegarLoopResult]: At program point L513(line 513) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,544 INFO L264 CegarLoopResult]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,544 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,545 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2020-09-21 11:12:45,545 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2020-09-21 11:12:45,545 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,545 INFO L264 CegarLoopResult]: At program point L519-1(line 519) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,545 INFO L268 CegarLoopResult]: For program point L517(lines 517 524) no Hoare annotation was computed. [2020-09-21 11:12:45,545 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2020-09-21 11:12:45,545 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-09-21 11:12:45,546 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-09-21 11:12:45,547 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:12:45,548 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-09-21 11:12:45,548 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 11:12:45,548 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2020-09-21 11:12:45,548 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2020-09-21 11:12:45,548 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2020-09-21 11:12:45,548 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-09-21 11:12:45,548 INFO L271 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: true [2020-09-21 11:12:45,548 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 330) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2020-09-21 11:12:45,549 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 303 338) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 303 338) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 303 338) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point L322(lines 322 330) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 572 617) no Hoare annotation was computed. [2020-09-21 11:12:45,550 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 572 617) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 572 617) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 885 930) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 885 930) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point L905(lines 905 912) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 885 930) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point L899(lines 899 919) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 919) no Hoare annotation was computed. [2020-09-21 11:12:45,551 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,552 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2020-09-21 11:12:45,552 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2020-09-21 11:12:45,552 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-09-21 11:12:45,552 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2020-09-21 11:12:45,552 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-09-21 11:12:45,552 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2020-09-21 11:12:45,552 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2020-09-21 11:12:45,552 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2020-09-21 11:12:45,552 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-09-21 11:12:45,553 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-09-21 11:12:45,553 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:45,553 INFO L264 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:45,553 INFO L268 CegarLoopResult]: For program point L250(lines 250 258) no Hoare annotation was computed. [2020-09-21 11:12:45,553 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:45,553 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-09-21 11:12:45,553 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2020-09-21 11:12:45,554 INFO L268 CegarLoopResult]: For program point L246(lines 246 263) no Hoare annotation was computed. [2020-09-21 11:12:45,554 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,554 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,554 INFO L268 CegarLoopResult]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2020-09-21 11:12:45,554 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2020-09-21 11:12:45,554 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2020-09-21 11:12:45,554 INFO L264 CegarLoopResult]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:45,554 INFO L268 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-09-21 11:12:45,555 INFO L268 CegarLoopResult]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2020-09-21 11:12:45,555 INFO L264 CegarLoopResult]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:45,555 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-09-21 11:12:45,555 INFO L264 CegarLoopResult]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,555 INFO L268 CegarLoopResult]: For program point L379(lines 378 425) no Hoare annotation was computed. [2020-09-21 11:12:45,555 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,555 INFO L268 CegarLoopResult]: For program point L408(lines 408 421) no Hoare annotation was computed. [2020-09-21 11:12:45,556 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,556 INFO L268 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-09-21 11:12:45,556 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2020-09-21 11:12:45,556 INFO L264 CegarLoopResult]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,556 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:45,556 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-09-21 11:12:45,556 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point L859(lines 859 866) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 839 884) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point L853(lines 853 873) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 839 884) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 839 884) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:12:45,557 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-09-21 11:12:45,558 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 736 838) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L824(lines 824 835) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 805) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point L806(lines 784 807) no Hoare annotation was computed. [2020-09-21 11:12:45,559 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 736 838) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point L765(lines 765 781) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point L786(lines 785 805) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 736 838) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point L817-1(line 817) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point L782(lines 782 823) no Hoare annotation was computed. [2020-09-21 11:12:45,560 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,561 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:12:45,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,561 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 267 274) no Hoare annotation was computed. [2020-09-21 11:12:45,561 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 267 274) no Hoare annotation was computed. [2020-09-21 11:12:45,561 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 267 274) no Hoare annotation was computed. [2020-09-21 11:12:45,561 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-09-21 11:12:45,561 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:12:45,562 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,562 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-09-21 11:12:45,563 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:12:45,563 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:12:45,563 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:45,563 INFO L268 CegarLoopResult]: For program point L188(lines 187 206) no Hoare annotation was computed. [2020-09-21 11:12:45,563 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:45,563 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2020-09-21 11:12:45,563 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2020-09-21 11:12:45,564 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:45,564 INFO L264 CegarLoopResult]: At program point L195(lines 195 201) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2020-09-21 11:12:45,564 INFO L271 CegarLoopResult]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2020-09-21 11:12:45,564 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2020-09-21 11:12:45,564 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-09-21 11:12:45,564 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2020-09-21 11:12:45,564 INFO L271 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2020-09-21 11:12:45,564 INFO L271 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: true [2020-09-21 11:12:45,565 INFO L268 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-09-21 11:12:45,565 INFO L271 CegarLoopResult]: At program point L461(lines 436 465) the Hoare annotation is: true [2020-09-21 11:12:45,565 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:12:45,565 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-09-21 11:12:45,565 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 11:12:45,565 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:12:45,565 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:12:45,565 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2020-09-21 11:12:45,566 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2020-09-21 11:12:45,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,566 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:45,566 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:45,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:45,566 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2020-09-21 11:12:45,566 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:45,566 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2020-09-21 11:12:45,567 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:12:45,567 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:12:45,567 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:12:45,567 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2020-09-21 11:12:45,567 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-09-21 11:12:45,567 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2020-09-21 11:12:45,567 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2020-09-21 11:12:45,568 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-09-21 11:12:45,568 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:45,568 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2020-09-21 11:12:45,568 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-09-21 11:12:45,568 INFO L268 CegarLoopResult]: For program point L220(lines 220 237) no Hoare annotation was computed. [2020-09-21 11:12:45,568 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,568 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:45,568 INFO L268 CegarLoopResult]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2020-09-21 11:12:45,569 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:45,569 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:45,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:45 BoogieIcfgContainer [2020-09-21 11:12:45,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:45,591 INFO L168 Benchmark]: Toolchain (without parser) took 47160.70 ms. Allocated memory was 140.5 MB in the beginning and 661.7 MB in the end (delta: 521.1 MB). Free memory was 103.2 MB in the beginning and 489.0 MB in the end (delta: -385.8 MB). Peak memory consumption was 515.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,592 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:45,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.32 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 173.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,593 INFO L168 Benchmark]: Boogie Preprocessor took 137.05 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,594 INFO L168 Benchmark]: RCFGBuilder took 1219.33 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 198.3 MB in the end (delta: -29.2 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,595 INFO L168 Benchmark]: TraceAbstraction took 45142.36 ms. Allocated memory was 235.9 MB in the beginning and 661.7 MB in the end (delta: 425.7 MB). Free memory was 196.9 MB in the beginning and 489.0 MB in the end (delta: -292.1 MB). Peak memory consumption was 513.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:45,598 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.32 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 173.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.05 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.33 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 198.3 MB in the end (delta: -29.2 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45142.36 ms. Allocated memory was 235.9 MB in the beginning and 661.7 MB in the end (delta: 425.7 MB). Free memory was 196.9 MB in the beginning and 489.0 MB in the end (delta: -292.1 MB). Peak memory consumption was 513.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1193 SDslu, 493 SDs, 0 SdLazy, 2794 SolverSat, 862 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=438occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 254 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 504 PreInvPairs, 527 NumberOfFragments, 1231 HoareAnnotationTreeSize, 504 FomulaSimplifications, 78767 FormulaSimplificationTreeSizeReduction, 11.6s HoareSimplificationTime, 59 FomulaSimplificationsInter, 9701 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 100598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...