/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:56:19,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:56:19,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:56:19,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:56:19,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:56:19,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:56:19,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:56:19,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:56:19,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:56:19,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:56:19,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:56:19,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:56:19,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:56:19,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:56:19,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:56:19,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:56:19,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:56:19,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:56:19,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:56:19,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:56:19,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:56:19,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:56:19,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:56:19,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:56:19,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:56:19,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:56:19,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:56:19,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:56:19,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:56:19,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:56:19,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:56:19,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:56:19,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:56:19,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:56:19,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:56:19,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:56:19,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:56:19,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:56:19,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:56:19,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:56:19,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:56:19,151 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 [2020-09-25 09:56:19,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:56:19,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:56:19,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:56:19,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:56:19,181 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:56:19,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:56:19,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:56:19,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:56:19,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:56:19,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:56:19,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:56:19,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:56:19,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:56:19,183 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:56:19,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:56:19,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:56:19,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:56:19,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:56:19,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:56:19,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:56:19,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:56:19,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:56:19,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:56:19,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:56:19,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:56:19,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:56:19,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:56:19,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:56:19,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:56:19,186 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.rcfgbuilder: Size of a code block -> SingleStatement 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:56:19,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:56:19,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:56:19,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:56:19,706 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:56:19,706 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:56:19,707 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-25 09:56:19,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9703e3577/0b228a1f417d457ea5f3fcc627aebcf7/FLAG99b5ef625 [2020-09-25 09:56:20,437 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:56:20,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-25 09:56:20,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9703e3577/0b228a1f417d457ea5f3fcc627aebcf7/FLAG99b5ef625 [2020-09-25 09:56:20,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9703e3577/0b228a1f417d457ea5f3fcc627aebcf7 [2020-09-25 09:56:20,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:56:20,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:56:20,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:56:20,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:56:20,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:56:20,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:56:20" (1/1) ... [2020-09-25 09:56:20,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701ef800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:20, skipping insertion in model container [2020-09-25 09:56:20,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:56:20" (1/1) ... [2020-09-25 09:56:20,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:56:20,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:56:21,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:56:21,425 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:56:21,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:56:21,550 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:56:21,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21 WrapperNode [2020-09-25 09:56:21,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:56:21,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:56:21,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:56:21,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:56:21,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (1/1) ... [2020-09-25 09:56:21,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:56:21,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:56:21,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:56:21,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:56:21,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (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 [2020-09-25 09:56:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:56:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:56:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:56:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:56:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:56:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:56:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:56:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 09:56:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:56:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:56:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:56:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:56:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:56:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:56:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:56:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:56:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:56:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:56:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:56:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:56:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:56:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:56:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:56:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:56:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:56:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:56:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:56:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:56:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:56:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:56:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:56:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:56:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:56:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:56:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:56:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:56:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:56:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:56:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:56:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:56:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:56:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:56:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:56:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:56:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:56:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:56:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:56:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:56:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:56:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:56:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:56:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:56:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:56:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:56:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:56:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:56:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:56:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:56:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 09:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:56:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:56:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:56:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:56:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:56:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:56:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:56:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:56:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:56:22,969 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:56:22,969 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:56:22,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:56:22 BoogieIcfgContainer [2020-09-25 09:56:22,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:56:22,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:56:22,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:56:22,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:56:22,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:56:20" (1/3) ... [2020-09-25 09:56:22,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddf5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:56:22, skipping insertion in model container [2020-09-25 09:56:22,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:21" (2/3) ... [2020-09-25 09:56:22,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddf5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:56:22, skipping insertion in model container [2020-09-25 09:56:22,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:56:22" (3/3) ... [2020-09-25 09:56:22,987 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-09-25 09:56:23,001 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:56:23,014 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:56:23,039 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:56:23,078 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:56:23,078 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:56:23,078 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:56:23,078 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:56:23,078 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:56:23,079 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:56:23,079 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:56:23,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:56:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states. [2020-09-25 09:56:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:56:23,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:23,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:23,136 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:23,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:23,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1647532489, now seen corresponding path program 1 times [2020-09-25 09:56:23,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:23,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724837708] [2020-09-25 09:56:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:23,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:25,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:25,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:28,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:56:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:56:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 09:56:28,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:28,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:56:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:56:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 09:56:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:56:29,378 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:29,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:29,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-09-25 09:56:29,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:56:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:29,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:56:29,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:29,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:29,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:29,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:29,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:29,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:29,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:29,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:29,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:29,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:29,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:56:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:56:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:29,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:29,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:56:29,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:56:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:30,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:30,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:30,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:56:30,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:30,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-25 09:56:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:56:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:30,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:30,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:30,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:30,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:30,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:30,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:56:30,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724837708] [2020-09-25 09:56:30,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:30,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:56:30,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922136030] [2020-09-25 09:56:30,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:56:30,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:30,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:56:30,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:56:30,192 INFO L87 Difference]: Start difference. First operand 357 states. Second operand 9 states. [2020-09-25 09:56:30,851 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:31,640 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:32,177 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 09:56:33,805 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:34,122 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:34,461 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:34,913 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:35,270 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:35,570 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:36,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:36,495 INFO L93 Difference]: Finished difference Result 691 states and 832 transitions. [2020-09-25 09:56:36,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:56:36,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:56:36,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:36,522 INFO L225 Difference]: With dead ends: 691 [2020-09-25 09:56:36,522 INFO L226 Difference]: Without dead ends: 458 [2020-09-25 09:56:36,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:56:36,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-25 09:56:36,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 407. [2020-09-25 09:56:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-09-25 09:56:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 455 transitions. [2020-09-25 09:56:36,668 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 455 transitions. Word has length 160 [2020-09-25 09:56:36,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:36,669 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 455 transitions. [2020-09-25 09:56:36,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:56:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 455 transitions. [2020-09-25 09:56:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-25 09:56:36,676 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:36,677 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:36,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:56:36,677 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:36,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1125216324, now seen corresponding path program 1 times [2020-09-25 09:56:36,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:36,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944628154] [2020-09-25 09:56:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:36,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:41,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:41,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-25 09:56:41,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:56:41,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 09:56:41,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:41,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:56:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:56:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-25 09:56:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,112 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 09:56:42,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:56:42,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:42,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:42,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:42,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:56:42,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:42,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:42,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:56:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:56:42,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 09:56:42,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:56:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:56:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:42,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:42,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:42,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:56:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:56:42,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:56:42,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 09:56:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:56:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:42,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:56:42,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 09:56:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:42,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:42,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:56:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:42,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:42,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:42,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:42,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:42,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:42,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:42,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:42,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:56:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:42,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:42,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:56:43,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:43,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 09:56:43,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:56:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:56:43,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 09:56:43,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:43,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:56:43,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:56:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:43,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:43,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:56:43,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:56:43,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:56:43,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:56:43,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:43,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:43,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:56:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:43,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:56:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 09:56:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:43,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 09:56:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:43,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:43,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:43,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:43,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:43,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:43,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:43,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:43,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 09:56:43,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944628154] [2020-09-25 09:56:43,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:56:43,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-25 09:56:43,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776787915] [2020-09-25 09:56:43,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-25 09:56:43,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:43,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-25 09:56:43,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-09-25 09:56:43,484 INFO L87 Difference]: Start difference. First operand 407 states and 455 transitions. Second operand 20 states. [2020-09-25 09:56:44,021 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:45,845 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:46,197 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:46,625 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:47,006 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:47,344 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:47,946 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:48,307 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:56:48,624 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:48,991 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-25 09:56:49,316 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:49,674 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:50,019 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:50,391 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:50,753 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:51,080 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:51,413 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:51,799 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:52,406 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 09:56:52,749 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:53,716 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 09:56:54,073 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:54,435 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:54,822 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 09:56:55,254 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:55,707 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:56,061 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:57,782 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 09:56:58,404 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 09:56:59,098 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 09:56:59,752 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 09:57:00,687 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 09:57:01,372 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-25 09:57:02,078 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-09-25 09:57:02,781 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-25 09:57:03,446 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-09-25 09:57:04,069 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-25 09:57:07,477 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:57:07,804 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:57:08,157 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:57:08,489 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:57:08,919 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:57:09,293 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 09:57:09,688 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 09:57:10,067 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:57:10,421 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 09:57:10,757 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:57:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:57:14,016 INFO L93 Difference]: Finished difference Result 1838 states and 2572 transitions. [2020-09-25 09:57:14,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-25 09:57:14,017 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 257 [2020-09-25 09:57:14,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:57:14,037 INFO L225 Difference]: With dead ends: 1838 [2020-09-25 09:57:14,038 INFO L226 Difference]: Without dead ends: 1546 [2020-09-25 09:57:14,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2356 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=1235, Invalid=6597, Unknown=0, NotChecked=0, Total=7832 [2020-09-25 09:57:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-09-25 09:57:14,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1181. [2020-09-25 09:57:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1181 states. [2020-09-25 09:57:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1419 transitions. [2020-09-25 09:57:14,271 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1419 transitions. Word has length 257 [2020-09-25 09:57:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:57:14,272 INFO L479 AbstractCegarLoop]: Abstraction has 1181 states and 1419 transitions. [2020-09-25 09:57:14,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-25 09:57:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1419 transitions. [2020-09-25 09:57:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 09:57:14,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:57:14,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:57:14,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:57:14,280 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:57:14,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:57:14,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1283456023, now seen corresponding path program 1 times [2020-09-25 09:57:14,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:57:14,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499496869] [2020-09-25 09:57:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:57:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:57:14,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:57:14,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking...