/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:41,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:41,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:41,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:41,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:41,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:41,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:41,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:41,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:41,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:41,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:41,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:41,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:41,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:41,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:41,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:41,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:41,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:41,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:41,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:41,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:41,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:41,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:41,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:42,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:42,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:42,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:42,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:42,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:42,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:42,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:42,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:42,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:42,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:42,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:42,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:42,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:42,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:42,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:42,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:42,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:42,022 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 11:03:42,067 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:42,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:42,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:42,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:42,069 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:42,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:42,070 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:42,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:42,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:42,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:42,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:42,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:42,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:42,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:42,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:42,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:42,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:42,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:42,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:42,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:42,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:42,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:42,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:42,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:42,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:42,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:42,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:42,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:42,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:42,075 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 11:03:42,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:42,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:42,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:42,550 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:42,551 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:42,552 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-09-21 11:03:42,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92fcd96a7/1bfb5447388d4fa09aa98af4c0ddd5c6/FLAGf1628daa7 [2020-09-21 11:03:43,297 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:43,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-09-21 11:03:43,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92fcd96a7/1bfb5447388d4fa09aa98af4c0ddd5c6/FLAGf1628daa7 [2020-09-21 11:03:43,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92fcd96a7/1bfb5447388d4fa09aa98af4c0ddd5c6 [2020-09-21 11:03:43,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:43,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:43,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:43,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:43,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:43,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:43" (1/1) ... [2020-09-21 11:03:43,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a11bedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:43, skipping insertion in model container [2020-09-21 11:03:43,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:43" (1/1) ... [2020-09-21 11:03:43,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:43,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:43,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:44,011 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:44,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:44,141 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:44,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44 WrapperNode [2020-09-21 11:03:44,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:44,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:44,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:44,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:44,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (1/1) ... [2020-09-21 11:03:44,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:44,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:44,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:44,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:44,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (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 11:03:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:03:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:03:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:03:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:03:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:03:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:03:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:03:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:03:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:03:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:03:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:45,565 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:45,566 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:45,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:45 BoogieIcfgContainer [2020-09-21 11:03:45,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:45,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:45,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:45,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:45,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:43" (1/3) ... [2020-09-21 11:03:45,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9a0832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:45, skipping insertion in model container [2020-09-21 11:03:45,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:44" (2/3) ... [2020-09-21 11:03:45,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9a0832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:45, skipping insertion in model container [2020-09-21 11:03:45,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:45" (3/3) ... [2020-09-21 11:03:45,582 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-09-21 11:03:45,594 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:45,605 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:45,629 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:45,662 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:45,663 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:45,663 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:45,663 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:45,663 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:45,663 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:45,663 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:45,663 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-09-21 11:03:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:45,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:45,706 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 11:03:45,706 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:45,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:45,715 INFO L82 PathProgramCache]: Analyzing trace with hash 235935867, now seen corresponding path program 1 times [2020-09-21 11:03:45,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:45,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384408030] [2020-09-21 11:03:45,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:46,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:03:46,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,494 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:46,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:46,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:46,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:03:46,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:03:46,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,686 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 11:03:46,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384408030] [2020-09-21 11:03:46,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:46,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:46,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960719233] [2020-09-21 11:03:46,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:46,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:46,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:46,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:46,720 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-09-21 11:03:47,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:47,976 INFO L93 Difference]: Finished difference Result 288 states and 380 transitions. [2020-09-21 11:03:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:47,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:47,996 INFO L225 Difference]: With dead ends: 288 [2020-09-21 11:03:47,997 INFO L226 Difference]: Without dead ends: 156 [2020-09-21 11:03:48,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:48,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-21 11:03:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2020-09-21 11:03:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-21 11:03:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2020-09-21 11:03:48,100 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 46 [2020-09-21 11:03:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:48,101 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2020-09-21 11:03:48,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-09-21 11:03:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:48,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:48,107 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 11:03:48,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:48,108 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:48,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:48,108 INFO L82 PathProgramCache]: Analyzing trace with hash 185530365, now seen corresponding path program 1 times [2020-09-21 11:03:48,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:48,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804042908] [2020-09-21 11:03:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:48,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:48,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,559 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:48,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:48,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:48,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:48,653 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 11:03:48,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804042908] [2020-09-21 11:03:48,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:48,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:48,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949627968] [2020-09-21 11:03:48,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:48,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:48,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:48,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:48,657 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 4 states. [2020-09-21 11:03:49,182 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:50,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:50,181 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2020-09-21 11:03:50,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:50,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:50,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:50,189 INFO L225 Difference]: With dead ends: 217 [2020-09-21 11:03:50,190 INFO L226 Difference]: Without dead ends: 140 [2020-09-21 11:03:50,191 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 11:03:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-21 11:03:50,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-09-21 11:03:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 11:03:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-09-21 11:03:50,231 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2020-09-21 11:03:50,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:50,231 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-09-21 11:03:50,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-09-21 11:03:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:03:50,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:50,234 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 11:03:50,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:50,235 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:50,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:50,235 INFO L82 PathProgramCache]: Analyzing trace with hash -175734546, now seen corresponding path program 1 times [2020-09-21 11:03:50,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:50,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423060881] [2020-09-21 11:03:50,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:50,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:50,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:50,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:50,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:50,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:03:50,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-09-21 11:03:50,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:03:50,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:50,969 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:51,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:51,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:51,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,158 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 11:03:51,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423060881] [2020-09-21 11:03:51,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:51,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:51,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610565034] [2020-09-21 11:03:51,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:51,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:51,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:51,162 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-09-21 11:03:51,512 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:52,451 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-09-21 11:03:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:52,452 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:03:52,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:52,456 INFO L225 Difference]: With dead ends: 230 [2020-09-21 11:03:52,456 INFO L226 Difference]: Without dead ends: 140 [2020-09-21 11:03:52,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 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 11:03:52,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-21 11:03:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-09-21 11:03:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 11:03:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-09-21 11:03:52,490 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2020-09-21 11:03:52,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:52,490 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-09-21 11:03:52,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-09-21 11:03:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:03:52,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:52,493 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 11:03:52,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:52,494 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:52,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:52,494 INFO L82 PathProgramCache]: Analyzing trace with hash -733588211, now seen corresponding path program 1 times [2020-09-21 11:03:52,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:52,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483993108] [2020-09-21 11:03:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:52,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:52,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:52,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:52,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:03:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-09-21 11:03:52,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:03:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,349 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:53,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:03:53,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:53,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:53,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:53,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:53,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:53,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:53,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:53,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:53,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:03:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:03:53,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:03:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:03:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:03:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:03:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:53,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:03:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:53,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:03:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,581 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 11:03:53,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483993108] [2020-09-21 11:03:53,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:53,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:53,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897006011] [2020-09-21 11:03:53,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:53,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:53,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:53,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:53,585 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-09-21 11:03:54,157 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:55,084 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:55,592 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:56,535 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:56,830 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:57,308 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:57,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:57,957 INFO L93 Difference]: Finished difference Result 358 states and 468 transitions. [2020-09-21 11:03:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:03:57,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 11:03:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:57,962 INFO L225 Difference]: With dead ends: 358 [2020-09-21 11:03:57,962 INFO L226 Difference]: Without dead ends: 268 [2020-09-21 11:03:57,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:03:57,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-21 11:03:58,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2020-09-21 11:03:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-21 11:03:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2020-09-21 11:03:58,063 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 65 [2020-09-21 11:03:58,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:58,063 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2020-09-21 11:03:58,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2020-09-21 11:03:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:03:58,066 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:58,066 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 11:03:58,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:58,067 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:58,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:58,067 INFO L82 PathProgramCache]: Analyzing trace with hash 828198353, now seen corresponding path program 1 times [2020-09-21 11:03:58,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:58,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806138153] [2020-09-21 11:03:58,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:58,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:58,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:58,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:58,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:58,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:03:58,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:58,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-09-21 11:03:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:03:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:03:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:59,107 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:59,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:03:59,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:59,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:59,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:59,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:59,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:59,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:59,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:59,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:59,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:59,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:59,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:59,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:59,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:03:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:03:59,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:59,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:03:59,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:03:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:03:59,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:59,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:59,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:03:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:59,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:59,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:59,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:03:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:59,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:59,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:59,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:59,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:03:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:59,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:59,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:59,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:59,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:59,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:59,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:59,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:59,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:59,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:59,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:59,337 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 11:03:59,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806138153] [2020-09-21 11:03:59,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:59,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:03:59,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240068258] [2020-09-21 11:03:59,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:03:59,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:59,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:03:59,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:03:59,342 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand 9 states. [2020-09-21 11:03:59,775 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:00,805 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:01,119 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:01,417 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:01,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:01,641 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2020-09-21 11:04:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:04:01,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-09-21 11:04:01,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:01,643 INFO L225 Difference]: With dead ends: 331 [2020-09-21 11:04:01,643 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:04:01,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:04:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:04:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:04:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:04:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:04:01,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 11:04:01,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:01,646 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:04:01,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:04:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:04:01,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:04:01,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:04:01,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:04:01,882 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,048 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,210 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,374 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,538 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,840 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:03,251 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:03,542 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:03,826 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:03,994 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,155 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:04,315 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,480 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,670 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,092 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:05,255 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,416 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,572 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,740 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,897 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,053 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,204 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:06,358 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,497 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:06,656 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,804 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:06,958 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,113 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,268 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:07,421 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,569 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:07,724 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,875 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:08,028 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,180 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,336 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,484 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:08,636 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,789 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,942 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,245 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:09,408 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,794 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:10,126 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:10,379 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:10,719 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:11,053 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:11,441 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:11,821 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:11,985 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,140 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,293 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:12,453 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,611 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,984 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:13,136 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,297 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,466 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,613 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,041 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:14,254 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:14,632 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:15,033 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:15,239 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:15,632 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:15,882 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:16,073 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:16,283 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:16,670 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 11:04:16,921 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:17,345 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:17,785 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:04:18,177 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:18,577 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-21 11:04:18,802 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:19,252 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:19,598 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:19,820 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,050 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:20,268 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,525 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:20,784 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:20,815 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-21 11:04:20,815 INFO L268 CegarLoopResult]: For program point L285-2(lines 285 306) no Hoare annotation was computed. [2020-09-21 11:04:20,815 INFO L268 CegarLoopResult]: For program point L307(lines 284 308) no Hoare annotation was computed. [2020-09-21 11:04:20,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 260 315) no Hoare annotation was computed. [2020-09-21 11:04:20,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 260 315) no Hoare annotation was computed. [2020-09-21 11:04:20,815 INFO L268 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 260 315) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 295) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 352) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 316 375) no Hoare annotation was computed. [2020-09-21 11:04:20,816 INFO L268 CegarLoopResult]: For program point L342-2(lines 342 367) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point L368(lines 341 369) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 316 375) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 316 375) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:04:20,817 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 11:04:20,818 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:04:20,818 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2020-09-21 11:04:20,818 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-21 11:04:20,818 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,818 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,818 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,819 INFO L264 CegarLoopResult]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,819 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2020-09-21 11:04:20,819 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2020-09-21 11:04:20,819 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,819 INFO L264 CegarLoopResult]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,819 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-09-21 11:04:20,819 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 11:04:20,820 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-21 11:04:20,821 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:04:20,822 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-21 11:04:20,822 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2020-09-21 11:04:20,822 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2020-09-21 11:04:20,822 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 792 800) no Hoare annotation was computed. [2020-09-21 11:04:20,822 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2020-09-21 11:04:20,822 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-09-21 11:04:20,823 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 837 855) no Hoare annotation was computed. [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-09-21 11:04:20,823 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 801 836) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 801 836) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 801 836) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 11:04:20,824 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 11:04:20,824 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 214 259) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 214 259) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 214 259) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point L541(lines 541 561) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point L541-1(lines 541 561) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 527 572) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 527 572) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 527 572) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point L547(lines 547 554) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2020-09-21 11:04:20,825 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2020-09-21 11:04:20,826 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-09-21 11:04:20,826 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 781 791) the Hoare annotation is: true [2020-09-21 11:04:20,826 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 781 791) no Hoare annotation was computed. [2020-09-21 11:04:20,826 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 781 791) no Hoare annotation was computed. [2020-09-21 11:04:20,826 INFO L271 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: true [2020-09-21 11:04:20,826 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2020-09-21 11:04:20,826 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2020-09-21 11:04:20,826 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 773 780) no Hoare annotation was computed. [2020-09-21 11:04:20,826 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,826 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2020-09-21 11:04:20,827 INFO L268 CegarLoopResult]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2020-09-21 11:04:20,827 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,827 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,827 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,827 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-09-21 11:04:20,827 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,827 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-09-21 11:04:20,828 INFO L268 CegarLoopResult]: For program point L744(lines 744 761) no Hoare annotation was computed. [2020-09-21 11:04:20,828 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-09-21 11:04:20,828 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-09-21 11:04:20,828 INFO L264 CegarLoopResult]: At program point testENTRY(lines 865 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,828 INFO L264 CegarLoopResult]: At program point L923(lines 874 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,828 INFO L268 CegarLoopResult]: For program point testFINAL(lines 865 930) no Hoare annotation was computed. [2020-09-21 11:04:20,828 INFO L268 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-09-21 11:04:20,829 INFO L264 CegarLoopResult]: At program point L913-2(lines 905 918) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,829 INFO L268 CegarLoopResult]: For program point L876(lines 875 922) no Hoare annotation was computed. [2020-09-21 11:04:20,829 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,829 INFO L268 CegarLoopResult]: For program point L905(lines 905 918) no Hoare annotation was computed. [2020-09-21 11:04:20,829 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,829 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-09-21 11:04:20,830 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2020-09-21 11:04:20,830 INFO L264 CegarLoopResult]: At program point L920(lines 875 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,830 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:20,830 INFO L268 CegarLoopResult]: For program point L885(lines 885 891) no Hoare annotation was computed. [2020-09-21 11:04:20,830 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 891) no Hoare annotation was computed. [2020-09-21 11:04:20,830 INFO L268 CegarLoopResult]: For program point L877(lines 877 881) no Hoare annotation was computed. [2020-09-21 11:04:20,830 INFO L268 CegarLoopResult]: For program point testEXIT(lines 865 930) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point L501(lines 501 508) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point L495(lines 495 515) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point L495-1(lines 495 515) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 666 674) no Hoare annotation was computed. [2020-09-21 11:04:20,831 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 666 674) the Hoare annotation is: true [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 666 674) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 634 656) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 634 656) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 634 656) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point L642(lines 642 650) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:04:20,832 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L448(lines 426 449) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 378 480) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L407(lines 407 423) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L467(lines 467 474) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L428(lines 427 447) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L459-1(line 459) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L424(lines 424 465) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 378 480) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:04:20,833 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point L466(lines 466 477) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 378 480) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point L427-2(lines 427 447) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,834 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,834 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 765 772) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 657 665) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 657 665) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 657 665) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,835 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 625 633) the Hoare annotation is: true [2020-09-21 11:04:20,835 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 625 633) no Hoare annotation was computed. [2020-09-21 11:04:20,836 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 625 633) no Hoare annotation was computed. [2020-09-21 11:04:20,836 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,836 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,836 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,836 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,836 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-09-21 11:04:20,836 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-09-21 11:04:20,836 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-09-21 11:04:20,837 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2020-09-21 11:04:20,837 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2020-09-21 11:04:20,837 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:04:20,837 INFO L271 CegarLoopResult]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2020-09-21 11:04:20,837 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-21 11:04:20,837 INFO L271 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2020-09-21 11:04:20,837 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-09-21 11:04:20,838 INFO L268 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-09-21 11:04:20,838 INFO L271 CegarLoopResult]: At program point L134(lines 109 138) the Hoare annotation is: true [2020-09-21 11:04:20,838 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:04:20,838 INFO L268 CegarLoopResult]: For program point L593-1(lines 589 600) no Hoare annotation was computed. [2020-09-21 11:04:20,838 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 589 600) the Hoare annotation is: true [2020-09-21 11:04:20,838 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 589 600) no Hoare annotation was computed. [2020-09-21 11:04:20,838 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2020-09-21 11:04:20,838 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2020-09-21 11:04:20,839 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,839 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:04:20,839 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:20,839 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:20,839 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 856 863) no Hoare annotation was computed. [2020-09-21 11:04:20,839 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 856 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:04:20,839 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 856 863) no Hoare annotation was computed. [2020-09-21 11:04:20,840 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2020-09-21 11:04:20,840 INFO L268 CegarLoopResult]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2020-09-21 11:04:20,840 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:20,840 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2020-09-21 11:04:20,840 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-09-21 11:04:20,840 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2020-09-21 11:04:20,840 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2020-09-21 11:04:20,841 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:20,841 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-09-21 11:04:20,841 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2020-09-21 11:04:20,841 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:20,841 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-09-21 11:04:20,841 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2020-09-21 11:04:20,841 INFO L268 CegarLoopResult]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2020-09-21 11:04:20,842 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2020-09-21 11:04:20,842 INFO L271 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: true [2020-09-21 11:04:20,842 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-09-21 11:04:20,842 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 714 738) no Hoare annotation was computed. [2020-09-21 11:04:20,842 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,842 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-09-21 11:04:20,842 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 714 738) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,842 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,843 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,843 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-09-21 11:04:20,843 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:20,843 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-09-21 11:04:20,843 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-09-21 11:04:20,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:20 BoogieIcfgContainer [2020-09-21 11:04:20,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:20,867 INFO L168 Benchmark]: Toolchain (without parser) took 37364.19 ms. Allocated memory was 138.9 MB in the beginning and 611.8 MB in the end (delta: 472.9 MB). Free memory was 101.5 MB in the beginning and 243.7 MB in the end (delta: -142.2 MB). Peak memory consumption was 495.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:20,868 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:04:20,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.70 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 169.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:20,869 INFO L168 Benchmark]: Boogie Preprocessor took 102.57 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 165.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:20,870 INFO L168 Benchmark]: RCFGBuilder took 1325.98 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 196.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:20,871 INFO L168 Benchmark]: TraceAbstraction took 35291.47 ms. Allocated memory was 234.4 MB in the beginning and 611.8 MB in the end (delta: 377.5 MB). Free memory was 195.0 MB in the beginning and 243.7 MB in the end (delta: -48.7 MB). Peak memory consumption was 493.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:20,874 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.70 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 169.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.57 ms. Allocated memory is still 202.4 MB. Free memory was 169.4 MB in the beginning and 165.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1325.98 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 196.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35291.47 ms. Allocated memory was 234.4 MB in the beginning and 611.8 MB in the end (delta: 377.5 MB). Free memory was 195.0 MB in the beginning and 243.7 MB in the end (delta: -48.7 MB). Peak memory consumption was 493.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 498 SDtfs, 675 SDslu, 258 SDs, 0 SdLazy, 1424 SolverSat, 442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 339 PreInvPairs, 369 NumberOfFragments, 770 HoareAnnotationTreeSize, 339 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 11.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8333 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 79482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...