/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:09:30,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:09:30,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:09:30,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:09:30,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:09:30,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:09:30,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:09:30,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:09:30,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:09:30,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:09:30,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:09:30,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:09:30,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:09:30,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:09:30,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:09:30,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:09:30,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:09:30,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:09:30,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:09:30,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:09:30,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:09:30,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:09:30,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:09:30,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:09:30,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:09:30,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:09:30,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:09:30,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:09:30,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:09:30,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:09:30,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:09:30,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:09:30,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:09:30,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:09:30,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:09:30,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:09:30,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:09:30,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:09:30,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:09:30,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:09:30,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:09:30,230 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 12:09:30,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:09:30,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:09:30,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:09:30,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:09:30,257 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:09:30,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:09:30,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:09:30,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:09:30,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:09:30,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:09:30,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:09:30,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:09:30,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:09:30,259 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:09:30,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:09:30,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:09:30,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:09:30,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:09:30,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:09:30,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:09:30,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:09:30,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:30,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:09:30,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:09:30,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:09:30,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:09:30,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:09:30,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:09:30,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:09:30,262 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:09:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:30,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:30,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:30,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:30,738 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:30,739 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-21 12:09:30,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c9c95a84/8ce0ef90ccfd49c48fe401ab69d95cec/FLAG69478596b [2020-09-21 12:09:31,433 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:31,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-21 12:09:31,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c9c95a84/8ce0ef90ccfd49c48fe401ab69d95cec/FLAG69478596b [2020-09-21 12:09:31,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c9c95a84/8ce0ef90ccfd49c48fe401ab69d95cec [2020-09-21 12:09:31,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:31,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:31,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:31,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:31,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:31,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:31" (1/1) ... [2020-09-21 12:09:31,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b58255d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:31, skipping insertion in model container [2020-09-21 12:09:31,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:31" (1/1) ... [2020-09-21 12:09:31,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:31,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:32,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:32,314 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:32,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:32,428 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:32,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32 WrapperNode [2020-09-21 12:09:32,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:32,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:32,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:32,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:32,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (1/1) ... [2020-09-21 12:09:32,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:32,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:32,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:32,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:32,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (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 12:09:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:09:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:09:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:09:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:33,715 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:33,715 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:33,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:33 BoogieIcfgContainer [2020-09-21 12:09:33,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:33,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:33,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:33,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:33,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:31" (1/3) ... [2020-09-21 12:09:33,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64821719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:33, skipping insertion in model container [2020-09-21 12:09:33,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:32" (2/3) ... [2020-09-21 12:09:33,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64821719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:33, skipping insertion in model container [2020-09-21 12:09:33,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:33" (3/3) ... [2020-09-21 12:09:33,730 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-09-21 12:09:33,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:33,751 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:33,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:33,804 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:33,804 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:33,804 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:33,804 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:33,804 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:33,805 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:33,805 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:33,805 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-09-21 12:09:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:33,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:33,844 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] [2020-09-21 12:09:33,844 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:33,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:33,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1379034855, now seen corresponding path program 1 times [2020-09-21 12:09:33,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:33,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250524761] [2020-09-21 12:09:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:35,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:09:35,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-21 12:09:35,619 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:35,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:35,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 12:09:35,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:35,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:35,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:35,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:35,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:35,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:35,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:35,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:35,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:35,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:35,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:35,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:35,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:35,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:35,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:09:35,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:35,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:35,852 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 12:09:35,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250524761] [2020-09-21 12:09:35,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:35,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:35,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391572809] [2020-09-21 12:09:35,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:35,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:35,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:35,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:35,884 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-09-21 12:09:37,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:37,280 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-09-21 12:09:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:37,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:37,300 INFO L225 Difference]: With dead ends: 303 [2020-09-21 12:09:37,300 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 12:09:37,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:37,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 12:09:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-09-21 12:09:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 12:09:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-09-21 12:09:37,422 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-09-21 12:09:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:37,424 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-09-21 12:09:37,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-09-21 12:09:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:37,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:37,428 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 12:09:37,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:37,430 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:37,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:37,430 INFO L82 PathProgramCache]: Analyzing trace with hash 164861133, now seen corresponding path program 1 times [2020-09-21 12:09:37,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:37,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059079634] [2020-09-21 12:09:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:37,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:37,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:38,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:09:38,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:38,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,848 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:38,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:38,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:09:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:38,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:38,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:38,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:38,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:38,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:38,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:38,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:38,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:38,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:38,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:38,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:38,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:38,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:39,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:39,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:39,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:39,009 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 12:09:39,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059079634] [2020-09-21 12:09:39,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:39,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:39,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348572990] [2020-09-21 12:09:39,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:39,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:39,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:39,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:39,014 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-09-21 12:09:39,585 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:40,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:40,644 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-09-21 12:09:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:40,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:40,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:40,651 INFO L225 Difference]: With dead ends: 238 [2020-09-21 12:09:40,651 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 12:09:40,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 12:09:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-09-21 12:09:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 12:09:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-09-21 12:09:40,693 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-09-21 12:09:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:40,694 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-09-21 12:09:40,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-09-21 12:09:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:09:40,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:40,697 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] [2020-09-21 12:09:40,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:40,697 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:40,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:40,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1116626050, now seen corresponding path program 1 times [2020-09-21 12:09:40,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:40,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130485954] [2020-09-21 12:09:40,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:40,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:41,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:41,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:41,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:09:41,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:09:41,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:09:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:09:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,132 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:42,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:42,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 12:09:42,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:42,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:42,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:42,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:42,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:42,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:42,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:42,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:42,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:42,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:42,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:42,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:42,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:42,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:42,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:42,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:42,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:09:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:42,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:42,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:42,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:42,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:42,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:42,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:42,362 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 12:09:42,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130485954] [2020-09-21 12:09:42,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:42,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:42,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141713252] [2020-09-21 12:09:42,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:42,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:42,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:42,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:42,365 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 5 states. [2020-09-21 12:09:42,714 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:44,498 INFO L93 Difference]: Finished difference Result 365 states and 463 transitions. [2020-09-21 12:09:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:44,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:09:44,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:44,507 INFO L225 Difference]: With dead ends: 365 [2020-09-21 12:09:44,508 INFO L226 Difference]: Without dead ends: 268 [2020-09-21 12:09:44,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:44,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-21 12:09:44,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 212. [2020-09-21 12:09:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-21 12:09:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 257 transitions. [2020-09-21 12:09:44,577 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 257 transitions. Word has length 57 [2020-09-21 12:09:44,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:44,577 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 257 transitions. [2020-09-21 12:09:44,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 257 transitions. [2020-09-21 12:09:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:09:44,581 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:44,581 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] [2020-09-21 12:09:44,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:44,581 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:44,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1686629375, now seen corresponding path program 1 times [2020-09-21 12:09:44,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:44,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314978168] [2020-09-21 12:09:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:45,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:45,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 12:09:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:09:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 12:09:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:09:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:45,935 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:45,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:45,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:45,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:45,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:09:45,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:45,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:45,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:46,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:46,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:46,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:46,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:46,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:46,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:46,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:46,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:46,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:46,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:46,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:09:46,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:09:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:46,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:46,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:09:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:46,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:09:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:46,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:46,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:46,148 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 12:09:46,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314978168] [2020-09-21 12:09:46,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:46,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:46,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505316155] [2020-09-21 12:09:46,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:46,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:46,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:46,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:46,151 INFO L87 Difference]: Start difference. First operand 212 states and 257 transitions. Second operand 9 states. [2020-09-21 12:09:46,597 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:47,667 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:48,043 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:48,362 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:48,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:48,642 INFO L93 Difference]: Finished difference Result 372 states and 490 transitions. [2020-09-21 12:09:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:09:48,647 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:09:48,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:48,648 INFO L225 Difference]: With dead ends: 372 [2020-09-21 12:09:48,648 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:48,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:09:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:48,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:48,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-09-21 12:09:48,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:48,652 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:48,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:48,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:48,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:48,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:48,849 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:49,012 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:49,306 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 12:09:49,466 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:49,629 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:49,790 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:49,952 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:50,116 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:50,277 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:50,434 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:50,546 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 6 [2020-09-21 12:09:50,709 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:50,870 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:51,200 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:09:51,524 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:09:51,843 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:09:52,162 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:09:52,310 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:52,462 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:52,616 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:52,770 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:52,923 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:53,075 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:53,223 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:53,378 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:53,532 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:53,680 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:53,835 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:53,991 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:54,146 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:54,300 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:54,448 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:54,603 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:54,756 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:54,914 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:55,069 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:55,186 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-21 12:09:55,480 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:09:55,823 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:56,163 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:56,500 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:56,837 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:57,106 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:09:57,445 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:57,593 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:57,747 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:57,900 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:58,054 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:58,161 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 6 [2020-09-21 12:09:58,309 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:58,466 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:58,623 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:58,771 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:58,925 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:59,079 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:59,183 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-21 12:09:59,338 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:59,591 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 12:09:59,746 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:59,910 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:00,070 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:10:00,230 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:00,517 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:10:00,857 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:10:01,195 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:10:01,534 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:10:01,869 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:10:02,138 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:10:02,479 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:10:02,637 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:02,791 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:02,952 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:03,110 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:03,263 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:03,416 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:03,564 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:10:03,718 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:03,867 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:10:04,020 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:10:04,469 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 12:10:04,757 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:04,999 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:10:05,423 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:10:05,649 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:06,103 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 12:10:06,298 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:10:06,575 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:10:06,992 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:10:07,209 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:10:07,610 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:10:08,030 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:10:08,462 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:10:08,860 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:10:09,308 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 12:10:09,701 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 12:10:09,923 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:10,164 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:10,405 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:10,647 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:10:10,866 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:11,088 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:10:11,425 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:10:11,632 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:11,824 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:10:12,231 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 12:10:12,550 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:10:12,556 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-09-21 12:10:12,556 INFO L268 CegarLoopResult]: For program point L699-1(lines 699 703) no Hoare annotation was computed. [2020-09-21 12:10:12,556 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-09-21 12:10:12,556 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 714) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 668 723) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point L715(lines 692 716) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 668 723) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 668 723) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-09-21 12:10:12,557 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 724 783) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point L756-1(lines 756 760) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 724 783) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point L750-2(lines 750 775) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 724 783) no Hoare annotation was computed. [2020-09-21 12:10:12,558 INFO L268 CegarLoopResult]: For program point L776(lines 749 777) no Hoare annotation was computed. [2020-09-21 12:10:12,559 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 470 476) the Hoare annotation is: true [2020-09-21 12:10:12,559 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 470 476) no Hoare annotation was computed. [2020-09-21 12:10:12,559 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 477 485) no Hoare annotation was computed. [2020-09-21 12:10:12,560 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 477 485) the Hoare annotation is: true [2020-09-21 12:10:12,560 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 477 485) no Hoare annotation was computed. [2020-09-21 12:10:12,560 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 428 450) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,560 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 428 450) no Hoare annotation was computed. [2020-09-21 12:10:12,561 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,561 INFO L264 CegarLoopResult]: At program point L440-1(line 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,561 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-09-21 12:10:12,561 INFO L268 CegarLoopResult]: For program point L438-1(lines 438 445) no Hoare annotation was computed. [2020-09-21 12:10:12,561 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:10:12,562 INFO L264 CegarLoopResult]: At program point L435(line 435) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,562 INFO L264 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,562 INFO L264 CegarLoopResult]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,562 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 428 450) no Hoare annotation was computed. [2020-09-21 12:10:12,562 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 382 405) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 382 405) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 382 405) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-09-21 12:10:12,563 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-09-21 12:10:12,564 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-09-21 12:10:12,565 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-09-21 12:10:12,565 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,565 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-09-21 12:10:12,565 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,565 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,565 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 168 192) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,565 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-09-21 12:10:12,566 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,566 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-09-21 12:10:12,566 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-09-21 12:10:12,566 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 168 192) no Hoare annotation was computed. [2020-09-21 12:10:12,566 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 327 341) no Hoare annotation was computed. [2020-09-21 12:10:12,566 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,566 INFO L268 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2020-09-21 12:10:12,566 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 327 341) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:10:12,567 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 327 341) no Hoare annotation was computed. [2020-09-21 12:10:12,567 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 263 271) no Hoare annotation was computed. [2020-09-21 12:10:12,567 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 263 271) the Hoare annotation is: true [2020-09-21 12:10:12,567 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 263 271) no Hoare annotation was computed. [2020-09-21 12:10:12,567 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-09-21 12:10:12,567 INFO L271 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: true [2020-09-21 12:10:12,567 INFO L268 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-09-21 12:10:12,568 INFO L268 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-09-21 12:10:12,568 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 308 326) the Hoare annotation is: true [2020-09-21 12:10:12,568 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 308 326) no Hoare annotation was computed. [2020-09-21 12:10:12,568 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 308 326) no Hoare annotation was computed. [2020-09-21 12:10:12,568 INFO L268 CegarLoopResult]: For program point L291-2(lines 291 299) no Hoare annotation was computed. [2020-09-21 12:10:12,568 INFO L268 CegarLoopResult]: For program point L279(lines 279 287) no Hoare annotation was computed. [2020-09-21 12:10:12,568 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 272 307) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 272 307) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point L291(lines 291 299) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 272 307) no Hoare annotation was computed. [2020-09-21 12:10:12,569 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 463 469) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 463 469) the Hoare annotation is: true [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 622 667) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 622 667) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 622 667) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point L955(lines 955 962) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 935 980) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point L949(lines 949 969) no Hoare annotation was computed. [2020-09-21 12:10:12,570 INFO L268 CegarLoopResult]: For program point L949-1(lines 949 969) no Hoare annotation was computed. [2020-09-21 12:10:12,571 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 935 980) no Hoare annotation was computed. [2020-09-21 12:10:12,571 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 935 980) no Hoare annotation was computed. [2020-09-21 12:10:12,571 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 414 424) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,571 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 414 424) no Hoare annotation was computed. [2020-09-21 12:10:12,571 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 414 424) no Hoare annotation was computed. [2020-09-21 12:10:12,571 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,572 INFO L271 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: true [2020-09-21 12:10:12,572 INFO L268 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2020-09-21 12:10:12,572 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 252 262) the Hoare annotation is: true [2020-09-21 12:10:12,572 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 252 262) no Hoare annotation was computed. [2020-09-21 12:10:12,572 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 252 262) no Hoare annotation was computed. [2020-09-21 12:10:12,572 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 244 251) the Hoare annotation is: true [2020-09-21 12:10:12,572 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2020-09-21 12:10:12,572 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2020-09-21 12:10:12,573 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 194 218) no Hoare annotation was computed. [2020-09-21 12:10:12,573 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,573 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-09-21 12:10:12,573 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 194 218) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,573 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,573 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,573 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-09-21 12:10:12,574 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,574 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-09-21 12:10:12,574 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-09-21 12:10:12,574 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-09-21 12:10:12,574 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-09-21 12:10:12,574 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,574 INFO L264 CegarLoopResult]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,575 INFO L268 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2020-09-21 12:10:12,575 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,575 INFO L268 CegarLoopResult]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2020-09-21 12:10:12,575 INFO L268 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-09-21 12:10:12,575 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2020-09-21 12:10:12,575 INFO L264 CegarLoopResult]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,576 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,576 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 12:10:12,576 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-09-21 12:10:12,576 INFO L268 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-09-21 12:10:12,576 INFO L264 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,576 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,576 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-09-21 12:10:12,576 INFO L264 CegarLoopResult]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 889 934) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 889 934) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 889 934) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point L909(lines 909 916) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point L903(lines 903 923) no Hoare annotation was computed. [2020-09-21 12:10:12,577 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 923) no Hoare annotation was computed. [2020-09-21 12:10:12,578 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 219 226) no Hoare annotation was computed. [2020-09-21 12:10:12,578 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 219 226) no Hoare annotation was computed. [2020-09-21 12:10:12,578 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 219 226) no Hoare annotation was computed. [2020-09-21 12:10:12,578 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 567 575) no Hoare annotation was computed. [2020-09-21 12:10:12,578 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 567 575) the Hoare annotation is: true [2020-09-21 12:10:12,578 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 567 575) no Hoare annotation was computed. [2020-09-21 12:10:12,578 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:10:12,578 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-09-21 12:10:12,579 INFO L268 CegarLoopResult]: For program point L598(lines 598 608) no Hoare annotation was computed. [2020-09-21 12:10:12,579 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:10:12,579 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-09-21 12:10:12,579 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-09-21 12:10:12,579 INFO L268 CegarLoopResult]: For program point L594-1(lines 586 614) no Hoare annotation was computed. [2020-09-21 12:10:12,579 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 586 614) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:10:12,579 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:10:12,579 INFO L268 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-09-21 12:10:12,579 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 586 614) no Hoare annotation was computed. [2020-09-21 12:10:12,580 INFO L268 CegarLoopResult]: For program point L543(lines 543 551) no Hoare annotation was computed. [2020-09-21 12:10:12,580 INFO L268 CegarLoopResult]: For program point L543-2(lines 543 551) no Hoare annotation was computed. [2020-09-21 12:10:12,580 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 535 557) no Hoare annotation was computed. [2020-09-21 12:10:12,580 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 535 557) no Hoare annotation was computed. [2020-09-21 12:10:12,580 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 535 557) no Hoare annotation was computed. [2020-09-21 12:10:12,580 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 578 585) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:10:12,580 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 578 585) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 578 585) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 453 462) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 453 462) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 453 462) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point L832(lines 832 873) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 786 888) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-09-21 12:10:12,581 INFO L268 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L874(lines 874 885) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 786 888) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 855) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L856(lines 834 857) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 786 888) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L815(lines 815 831) no Hoare annotation was computed. [2020-09-21 12:10:12,582 INFO L268 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-09-21 12:10:12,583 INFO L268 CegarLoopResult]: For program point L836(lines 835 855) no Hoare annotation was computed. [2020-09-21 12:10:12,583 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-21 12:10:12,583 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-09-21 12:10:12,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,583 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#length)| |#length|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:10:12,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point L238-1(lines 227 243) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 227 243) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 227 243) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-21 12:10:12,584 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 558 566) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 558 566) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 558 566) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 514 525) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 514 525) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,585 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,586 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,586 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,586 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,586 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:10:12,586 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:10:12,586 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-09-21 12:10:12,586 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-09-21 12:10:12,586 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-09-21 12:10:12,587 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 352 381) no Hoare annotation was computed. [2020-09-21 12:10:12,587 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 352 381) the Hoare annotation is: true [2020-09-21 12:10:12,587 INFO L271 CegarLoopResult]: At program point L377(lines 352 381) the Hoare annotation is: true [2020-09-21 12:10:12,587 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-21 12:10:12,587 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-09-21 12:10:12,587 INFO L271 CegarLoopResult]: At program point L366-1(lines 366 370) the Hoare annotation is: true [2020-09-21 12:10:12,587 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-09-21 12:10:12,588 INFO L271 CegarLoopResult]: At program point L362-2(lines 362 376) the Hoare annotation is: true [2020-09-21 12:10:12,588 INFO L271 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: true [2020-09-21 12:10:12,588 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-09-21 12:10:12,588 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 526 534) the Hoare annotation is: true [2020-09-21 12:10:12,588 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 526 534) no Hoare annotation was computed. [2020-09-21 12:10:12,588 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 526 534) no Hoare annotation was computed. [2020-09-21 12:10:12,588 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 490 501) the Hoare annotation is: true [2020-09-21 12:10:12,588 INFO L268 CegarLoopResult]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2020-09-21 12:10:12,588 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 490 501) no Hoare annotation was computed. [2020-09-21 12:10:12,589 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 406 412) no Hoare annotation was computed. [2020-09-21 12:10:12,589 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 406 412) the Hoare annotation is: true [2020-09-21 12:10:12,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,589 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:10:12,589 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:10:12,589 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:10:12,589 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 342 349) no Hoare annotation was computed. [2020-09-21 12:10:12,589 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 342 349) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,590 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 342 349) no Hoare annotation was computed. [2020-09-21 12:10:12,590 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 502 513) no Hoare annotation was computed. [2020-09-21 12:10:12,590 INFO L268 CegarLoopResult]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2020-09-21 12:10:12,590 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 502 513) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:10:12,590 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:10:12,590 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 12:10:12,590 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 12:10:12,590 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:10:12,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:10:12 BoogieIcfgContainer [2020-09-21 12:10:12,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:10:12,612 INFO L168 Benchmark]: Toolchain (without parser) took 40907.00 ms. Allocated memory was 140.5 MB in the beginning and 621.8 MB in the end (delta: 481.3 MB). Free memory was 101.0 MB in the beginning and 280.8 MB in the end (delta: -179.8 MB). Peak memory consumption was 459.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:10:12,612 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-21 12:10:12,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.10 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.9 MB in the end (delta: -71.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:10:12,614 INFO L168 Benchmark]: Boogie Preprocessor took 123.05 ms. Allocated memory is still 203.9 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:10:12,615 INFO L168 Benchmark]: RCFGBuilder took 1168.20 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 167.1 MB in the beginning and 196.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:10:12,616 INFO L168 Benchmark]: TraceAbstraction took 38887.20 ms. Allocated memory was 238.0 MB in the beginning and 621.8 MB in the end (delta: 383.8 MB). Free memory was 196.5 MB in the beginning and 280.8 MB in the end (delta: -84.3 MB). Peak memory consumption was 457.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:10:12,620 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.10 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.9 MB in the end (delta: -71.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.05 ms. Allocated memory is still 203.9 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1168.20 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 167.1 MB in the beginning and 196.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38887.20 ms. Allocated memory was 238.0 MB in the beginning and 621.8 MB in the end (delta: 383.8 MB). Free memory was 196.5 MB in the beginning and 280.8 MB in the end (delta: -84.3 MB). Peak memory consumption was 457.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 447 SDtfs, 642 SDslu, 262 SDs, 0 SdLazy, 1099 SolverSat, 474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 127 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 338 PreInvPairs, 382 NumberOfFragments, 721 HoareAnnotationTreeSize, 338 FomulaSimplifications, 41161 FormulaSimplificationTreeSizeReduction, 15.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 8929 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 58254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...