/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:07:36,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:07:36,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:07:36,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:07:36,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:07:36,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:07:36,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:07:36,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:07:36,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:07:36,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:07:36,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:07:36,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:07:36,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:07:36,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:07:36,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:07:36,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:07:36,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:07:36,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:07:36,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:07:36,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:07:36,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:07:36,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:07:36,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:07:36,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:07:36,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:07:36,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:07:36,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:07:36,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:07:36,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:07:36,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:07:36,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:07:36,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:07:36,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:07:36,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:07:36,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:07:36,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:07:36,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:07:36,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:07:36,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:07:36,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:07:36,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:07:36,141 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 04:07:36,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:07:36,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:07:36,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:07:36,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:07:36,188 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:07:36,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:07:36,188 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:07:36,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:07:36,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:07:36,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:07:36,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:07:36,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:07:36,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:07:36,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:07:36,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:07:36,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:07:36,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:07:36,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:07:36,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:07:36,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:07:36,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:07:36,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:07:36,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:07:36,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:07:36,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:07:36,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:07:36,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:07:36,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:07:36,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:07:36,193 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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:07:36,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:07:36,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:07:36,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:07:36,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:07:36,691 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:07:36,692 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-25 04:07:36,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a8e0c5b8/2db7c4211cad4be3918831ca05f2a19c/FLAGf75fc6bc7 [2020-09-25 04:07:37,391 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:07:37,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-25 04:07:37,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a8e0c5b8/2db7c4211cad4be3918831ca05f2a19c/FLAGf75fc6bc7 [2020-09-25 04:07:37,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a8e0c5b8/2db7c4211cad4be3918831ca05f2a19c [2020-09-25 04:07:37,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:07:37,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:07:37,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:07:37,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:07:37,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:07:37,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:07:37" (1/1) ... [2020-09-25 04:07:37,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145c9163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:37, skipping insertion in model container [2020-09-25 04:07:37,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:07:37" (1/1) ... [2020-09-25 04:07:37,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:07:37,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:07:38,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:07:38,343 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:07:38,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:07:38,470 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:07:38,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38 WrapperNode [2020-09-25 04:07:38,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:07:38,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:07:38,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:07:38,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:07:38,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (1/1) ... [2020-09-25 04:07:38,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:07:38,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:07:38,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:07:38,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:07:38,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (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 04:07:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:07:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:07:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:07:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:07:38,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:07:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:07:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:07:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:07:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:07:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:07:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:07:38,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:07:38,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:07:38,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:07:38,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:07:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:07:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:07:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:07:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:07:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:07:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:07:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:07:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:07:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:07:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:07:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:07:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:07:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:07:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:07:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:07:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:07:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:07:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:07:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:07:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:07:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:07:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:07:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:07:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:07:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:07:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:07:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:07:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:07:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:07:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:07:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 04:07:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:07:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:07:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:07:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:07:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:07:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:07:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:07:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:07:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:07:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:07:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:07:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:07:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:07:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:07:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:07:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:07:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:07:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:07:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:07:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:07:39,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:07:39,863 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:07:39,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:07:39 BoogieIcfgContainer [2020-09-25 04:07:39,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:07:39,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:07:39,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:07:39,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:07:39,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:07:37" (1/3) ... [2020-09-25 04:07:39,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31306681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:07:39, skipping insertion in model container [2020-09-25 04:07:39,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:07:38" (2/3) ... [2020-09-25 04:07:39,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31306681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:07:39, skipping insertion in model container [2020-09-25 04:07:39,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:07:39" (3/3) ... [2020-09-25 04:07:39,888 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-09-25 04:07:39,900 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:07:39,911 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:07:39,932 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:07:39,962 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:07:39,962 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:07:39,962 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:07:39,962 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:07:39,963 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:07:39,963 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:07:39,963 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:07:39,963 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:07:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2020-09-25 04:07:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 04:07:40,011 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:07:40,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:07:40,013 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:07:40,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:07:40,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1143611039, now seen corresponding path program 1 times [2020-09-25 04:07:40,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:07:40,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646520280] [2020-09-25 04:07:40,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:07:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:40,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:40,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:41,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:44,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:44,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 04:07:44,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:07:44,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4328 [2020-09-25 04:07:44,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:44,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:07:44,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:44,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 04:07:45,379 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:07:45,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:07:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:07:45,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 04:07:45,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:07:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:07:45,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:07:45,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:45,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:07:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:07:45,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:07:45,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:07:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:07:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:45,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:07:45,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:07:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:07:45,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:07:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:07:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:45,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:07:45,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:07:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:07:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:07:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:45,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:07:45,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:07:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:07:45,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 04:07:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:45,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:45,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:45,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:07:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:45,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:07:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:07:45,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646520280] [2020-09-25 04:07:45,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:07:45,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:07:45,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905808638] [2020-09-25 04:07:45,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:07:45,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:07:45,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:07:45,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:07:45,789 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 3 states. [2020-09-25 04:07:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:07:47,684 INFO L93 Difference]: Finished difference Result 553 states and 657 transitions. [2020-09-25 04:07:47,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:07:47,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-25 04:07:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:07:47,729 INFO L225 Difference]: With dead ends: 553 [2020-09-25 04:07:47,730 INFO L226 Difference]: Without dead ends: 335 [2020-09-25 04:07:47,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:07:47,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-09-25 04:07:47,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 292. [2020-09-25 04:07:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-09-25 04:07:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 320 transitions. [2020-09-25 04:07:47,983 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 320 transitions. Word has length 153 [2020-09-25 04:07:47,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:07:47,987 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 320 transitions. [2020-09-25 04:07:47,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:07:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 320 transitions. [2020-09-25 04:07:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-25 04:07:47,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:07:48,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:07:48,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:07:48,000 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:07:48,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:07:48,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1149932277, now seen corresponding path program 1 times [2020-09-25 04:07:48,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:07:48,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400045469] [2020-09-25 04:07:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:07:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:48,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:48,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:48,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:07:53,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:07:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 04:07:53,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:07:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 04:07:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-25 04:07:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,437 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:07:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:07:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:07:53,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 04:07:53,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:07:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 04:07:53,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:07:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:07:53,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:07:53,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:07:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:07:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:07:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:07:53,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:07:53,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:07:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:07:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:07:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:53,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:07:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:07:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:07:53,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:07:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:07:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:07:53,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:07:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:07:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:07:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-25 04:07:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:53,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:07:53,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:07:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 04:07:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:53,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:07:53,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:07:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 04:07:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:53,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:07:53,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:07:53,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:07:53,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:07:53,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:07:53,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:07:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:07:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:07:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:07:53,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:07:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:07:53,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400045469] [2020-09-25 04:07:53,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:07:53,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:07:53,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366300531] [2020-09-25 04:07:53,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:07:53,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:07:53,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:07:53,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:07:53,857 INFO L87 Difference]: Start difference. First operand 292 states and 320 transitions. Second operand 4 states. [2020-09-25 04:07:54,368 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:07:55,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:07:55,452 INFO L93 Difference]: Finished difference Result 517 states and 598 transitions. [2020-09-25 04:07:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:07:55,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-25 04:07:55,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:07:55,457 INFO L225 Difference]: With dead ends: 517 [2020-09-25 04:07:55,457 INFO L226 Difference]: Without dead ends: 335 [2020-09-25 04:07:55,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:07:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-09-25 04:07:55,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 292. [2020-09-25 04:07:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-09-25 04:07:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 319 transitions. [2020-09-25 04:07:55,525 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 319 transitions. Word has length 154 [2020-09-25 04:07:55,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:07:55,527 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 319 transitions. [2020-09-25 04:07:55,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:07:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 319 transitions. [2020-09-25 04:07:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-25 04:07:55,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:07:55,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:07:55,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:07:55,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:07:55,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:07:55,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2117285158, now seen corresponding path program 1 times [2020-09-25 04:07:55,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:07:55,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20006330] [2020-09-25 04:07:55,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:07:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:07:55,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:56,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:56,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:07:56,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:00,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:00,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 04:08:00,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:08:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 04:08:00,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:00,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:08:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:08:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,025 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:08:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:08:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-25 04:08:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:08:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:01,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:01,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:08:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:01,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:01,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:08:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:01,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:01,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:08:01,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:08:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:01,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:01,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 04:08:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 04:08:01,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:08:01,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 04:08:01,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 04:08:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:08:01,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:08:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 04:08:01,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:01,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:01,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:01,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:01,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:01,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:01,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 04:08:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:01,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:01,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 04:08:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:01,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 04:08:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:01,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:01,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:01,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:01,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:01,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:01,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:01,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:01,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:01,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:08:01,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20006330] [2020-09-25 04:08:01,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:01,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:08:01,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073846602] [2020-09-25 04:08:01,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:08:01,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:01,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:08:01,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:08:01,486 INFO L87 Difference]: Start difference. First operand 292 states and 319 transitions. Second operand 5 states. [2020-09-25 04:08:02,084 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:08:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:03,537 INFO L93 Difference]: Finished difference Result 494 states and 566 transitions. [2020-09-25 04:08:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:08:03,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-09-25 04:08:03,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:03,546 INFO L225 Difference]: With dead ends: 494 [2020-09-25 04:08:03,549 INFO L226 Difference]: Without dead ends: 342 [2020-09-25 04:08:03,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:08:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-25 04:08:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 282. [2020-09-25 04:08:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-09-25 04:08:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 306 transitions. [2020-09-25 04:08:03,615 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 306 transitions. Word has length 172 [2020-09-25 04:08:03,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:03,617 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 306 transitions. [2020-09-25 04:08:03,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:08:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 306 transitions. [2020-09-25 04:08:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 04:08:03,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:03,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:03,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:08:03,621 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:03,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:03,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1399635308, now seen corresponding path program 1 times [2020-09-25 04:08:03,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:03,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475927255] [2020-09-25 04:08:03,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:03,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:04,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:04,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:08,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:08,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:08,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 04:08:08,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:08:08,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 04:08:08,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:08,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:08:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:08:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:08:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:08,989 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:08:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:08:09,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 04:08:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:09,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:08:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:09,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:09,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:08:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:09,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:09,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:08:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:09,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:09,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:08:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 04:08:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 04:08:09,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:08:09,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 04:08:09,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:08:09,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:08:09,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:08:09,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:08:09,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:08:09,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:08:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:08:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:08:09,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:08:09,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:08:09,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:08:09,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:08:09,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:08:09,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:09,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:09,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:08:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:08:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:09,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:09,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:09,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 04:08:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:09,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:09,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 04:08:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:09,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:09,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:09,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:09,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:09,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:09,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:08:09,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475927255] [2020-09-25 04:08:09,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:09,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:08:09,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855914225] [2020-09-25 04:08:09,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:08:09,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:09,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:08:09,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:08:09,361 INFO L87 Difference]: Start difference. First operand 282 states and 306 transitions. Second operand 6 states. [2020-09-25 04:08:09,972 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:08:11,443 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:08:12,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:12,483 INFO L93 Difference]: Finished difference Result 649 states and 743 transitions. [2020-09-25 04:08:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:08:12,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-09-25 04:08:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:12,491 INFO L225 Difference]: With dead ends: 649 [2020-09-25 04:08:12,491 INFO L226 Difference]: Without dead ends: 477 [2020-09-25 04:08:12,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:08:12,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-25 04:08:12,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 418. [2020-09-25 04:08:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-09-25 04:08:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 451 transitions. [2020-09-25 04:08:12,553 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 451 transitions. Word has length 181 [2020-09-25 04:08:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:12,554 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 451 transitions. [2020-09-25 04:08:12,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:08:12,554 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 451 transitions. [2020-09-25 04:08:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 04:08:12,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:12,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:12,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:08:12,558 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:12,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:12,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1966009178, now seen corresponding path program 1 times [2020-09-25 04:08:12,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:12,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280777684] [2020-09-25 04:08:12,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:12,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:15,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:15,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-25 04:08:15,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:08:15,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3166 [2020-09-25 04:08:15,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:15,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:08:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-25 04:08:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 04:08:15,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:16,102 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:08:16,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:08:16,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 04:08:16,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:08:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:16,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:16,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:08:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:16,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:16,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:16,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:08:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:16,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:16,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:08:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:16,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:16,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 04:08:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:08:16,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 04:08:16,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:08:16,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:08:16,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 04:08:16,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 04:08:16,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:08:16,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 04:08:16,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:08:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:08:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:08:16,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:08:16,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:08:16,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:08:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:08:16,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:08:16,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:08:16,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:08:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:16,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:16,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:08:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 04:08:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:16,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:16,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:08:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 04:08:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:16,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:08:16,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:08:16,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:08:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:16,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 04:08:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:16,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:16,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:16,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:16,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:16,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:16,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:16,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:16,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:08:16,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280777684] [2020-09-25 04:08:16,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:16,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:08:16,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470555242] [2020-09-25 04:08:16,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:08:16,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:16,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:08:16,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:08:16,528 INFO L87 Difference]: Start difference. First operand 418 states and 451 transitions. Second operand 9 states. [2020-09-25 04:08:17,004 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:08:19,053 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:08:19,387 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:08:19,726 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:08:20,072 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:08:20,352 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:08:20,681 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:08:20,974 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:08:22,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:22,774 INFO L93 Difference]: Finished difference Result 1071 states and 1252 transitions. [2020-09-25 04:08:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 04:08:22,775 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-09-25 04:08:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:22,780 INFO L225 Difference]: With dead ends: 1071 [2020-09-25 04:08:22,780 INFO L226 Difference]: Without dead ends: 763 [2020-09-25 04:08:22,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-25 04:08:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-09-25 04:08:22,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 694. [2020-09-25 04:08:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-09-25 04:08:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 772 transitions. [2020-09-25 04:08:22,867 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 772 transitions. Word has length 205 [2020-09-25 04:08:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:22,868 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 772 transitions. [2020-09-25 04:08:22,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:08:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 772 transitions. [2020-09-25 04:08:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 04:08:22,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:22,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:08:22,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:08:22,873 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:22,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:22,873 INFO L82 PathProgramCache]: Analyzing trace with hash -54966158, now seen corresponding path program 1 times [2020-09-25 04:08:22,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:22,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486930431] [2020-09-25 04:08:22,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:22,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking...