/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:55:21,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:55:21,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:55:21,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:55:21,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:55:21,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:55:21,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:55:21,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:55:21,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:55:21,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:55:21,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:55:21,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:55:21,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:55:21,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:55:21,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:55:21,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:55:21,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:55:21,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:55:21,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:55:21,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:55:21,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:55:21,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:55:21,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:55:21,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:55:21,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:55:21,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:55:21,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:55:21,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:55:21,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:55:21,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:55:21,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:55:21,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:55:21,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:55:21,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:55:21,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:55:21,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:55:21,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:55:21,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:55:21,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:55:21,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:55:21,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:55:21,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:55:21,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:55:21,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:55:21,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:55:21,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:55:21,163 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:55:21,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:55:21,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:55:21,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:55:21,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:55:21,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:55:21,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:55:21,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:55:21,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:55:21,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:55:21,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:55:21,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:55:21,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:55:21,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:55:21,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:55:21,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:55:21,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:55:21,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:21,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:55:21,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:55:21,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:55:21,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:55:21,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:55:21,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:55:21,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:55:21,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:55:21,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:55:21,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:55:21,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:55:21,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:55:21,671 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:55:21,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-25 09:55:21,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e7a133bc/09b540ee168046cba286f14aa2d0e738/FLAGb30c17759 [2020-09-25 09:55:22,403 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:55:22,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-25 09:55:22,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e7a133bc/09b540ee168046cba286f14aa2d0e738/FLAGb30c17759 [2020-09-25 09:55:22,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e7a133bc/09b540ee168046cba286f14aa2d0e738 [2020-09-25 09:55:22,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:55:22,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:55:22,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:22,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:55:22,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:55:22,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:22" (1/1) ... [2020-09-25 09:55:22,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:22, skipping insertion in model container [2020-09-25 09:55:22,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:22" (1/1) ... [2020-09-25 09:55:22,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:55:22,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:55:23,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:23,105 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:55:23,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:23,388 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:55:23,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23 WrapperNode [2020-09-25 09:55:23,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:23,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:55:23,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:55:23,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:55:23,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... [2020-09-25 09:55:23,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:55:23,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:55:23,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:55:23,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:55:23,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:55:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:55:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:55:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:55:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:55:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:55:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:55:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:55:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:55:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:55:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:55:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:55:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:55:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:55:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:55:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:55:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:55:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:55:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:55:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:55:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:55:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:55:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:55:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:55:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:55:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:55:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:55:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:55:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:55:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:55:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:55:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:55:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:55:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:55:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:55:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:55:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:55:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:55:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:55:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:55:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:55:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:55:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:55:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:55:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:55:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:55:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:55:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:55:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:55:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:55:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:55:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:55:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:55:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:55:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:55:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:55:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:55:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:55:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:55:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:55:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:55:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:55:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:55:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:55:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:55:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:55:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:55:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:55:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:55:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:55:24,735 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:55:24,736 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:55:24,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:24 BoogieIcfgContainer [2020-09-25 09:55:24,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:55:24,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:55:24,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:55:24,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:55:24,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:55:22" (1/3) ... [2020-09-25 09:55:24,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f376033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:24, skipping insertion in model container [2020-09-25 09:55:24,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:23" (2/3) ... [2020-09-25 09:55:24,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f376033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:24, skipping insertion in model container [2020-09-25 09:55:24,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:24" (3/3) ... [2020-09-25 09:55:24,754 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-09-25 09:55:24,767 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:55:24,779 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:55:24,803 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:55:24,838 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:55:24,838 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:55:24,838 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:55:24,838 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:55:24,839 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:55:24,839 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:55:24,839 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:55:24,839 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:55:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-09-25 09:55:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:55:24,890 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:24,892 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:24,893 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:24,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:24,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1646918823, now seen corresponding path program 1 times [2020-09-25 09:55:24,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:24,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066535359] [2020-09-25 09:55:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:26,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:26,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:55:30,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:55:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 09:55:30,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:55:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:55:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 09:55:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 09:55:30,826 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:30,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:31,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 09:55:31,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:55:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:31,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:31,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:31,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:31,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:31,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:31,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:31,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 09:55:31,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:31,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:31,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:55:31,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:31,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:55:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:31,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:31,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:31,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:55:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:31,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:55:31,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:31,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:31,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:55:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:31,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:31,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:31,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:55:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:31,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:31,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:31,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:55:31,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:31,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:55:31,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066535359] [2020-09-25 09:55:31,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:31,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:55:31,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519677473] [2020-09-25 09:55:31,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:55:31,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:31,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:55:31,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:55:31,550 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 9 states. [2020-09-25 09:55:32,153 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:32,898 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:33,180 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:34,755 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:35,094 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:35,468 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:35,981 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:36,328 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:36,607 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:37,215 INFO L93 Difference]: Finished difference Result 635 states and 762 transitions. [2020-09-25 09:55:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:55:37,218 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:55:37,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:37,242 INFO L225 Difference]: With dead ends: 635 [2020-09-25 09:55:37,242 INFO L226 Difference]: Without dead ends: 431 [2020-09-25 09:55:37,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:55:37,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-25 09:55:37,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 385. [2020-09-25 09:55:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-09-25 09:55:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 429 transitions. [2020-09-25 09:55:37,396 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 429 transitions. Word has length 160 [2020-09-25 09:55:37,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:37,398 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 429 transitions. [2020-09-25 09:55:37,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:55:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 429 transitions. [2020-09-25 09:55:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 09:55:37,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:37,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:37,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:55:37,405 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:37,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:37,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2048933512, now seen corresponding path program 1 times [2020-09-25 09:55:37,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:37,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514248234] [2020-09-25 09:55:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:37,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 09:55:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-25 09:55:38,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:38,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 09:55:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:38,840 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:38,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:38,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:38,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:38,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 09:55:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:38,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:39,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:39,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:39,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:55:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:39,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:39,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:39,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:39,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:55:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:39,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:39,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:39,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:55:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:55:39,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 09:55:39,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:55:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:39,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:39,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 09:55:39,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:39,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:55:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:39,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 09:55:39,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:55:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:39,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:39,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:55:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:55:39,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:55:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:39,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:39,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:39,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 09:55:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:39,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:39,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 09:55:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:39,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:39,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:39,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:39,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:39,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514248234] [2020-09-25 09:55:39,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:39,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:55:39,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743236660] [2020-09-25 09:55:39,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:55:39,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:39,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:55:39,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:55:39,546 INFO L87 Difference]: Start difference. First operand 385 states and 429 transitions. Second operand 9 states. [2020-09-25 09:55:40,896 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:41,214 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:41,573 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:41,977 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:42,292 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:43,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:43,303 INFO L93 Difference]: Finished difference Result 748 states and 906 transitions. [2020-09-25 09:55:43,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:55:43,304 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 09:55:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:43,318 INFO L225 Difference]: With dead ends: 748 [2020-09-25 09:55:43,318 INFO L226 Difference]: Without dead ends: 478 [2020-09-25 09:55:43,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:55:43,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-09-25 09:55:43,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 397. [2020-09-25 09:55:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 09:55:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 447 transitions. [2020-09-25 09:55:43,385 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 447 transitions. Word has length 230 [2020-09-25 09:55:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:43,386 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 447 transitions. [2020-09-25 09:55:43,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:55:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 447 transitions. [2020-09-25 09:55:43,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 09:55:43,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:43,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:43,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:55:43,391 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:43,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:43,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1381187112, now seen corresponding path program 1 times [2020-09-25 09:55:43,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:43,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157745826] [2020-09-25 09:55:43,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:43,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:44,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:44,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 09:55:44,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:44,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-09-25 09:55:44,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:44,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 09:55:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:44,844 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:44,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:44,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:44,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:44,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:44,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 09:55:44,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:44,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:44,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:44,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:44,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:45,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:45,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:45,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:55:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:45,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:45,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:55:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:55:45,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 09:55:45,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:45,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:55:45,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:45,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:45,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 09:55:45,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:55:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 09:55:45,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:55:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:45,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:45,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:45,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:45,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:45,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 09:55:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:45,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 09:55:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:45,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:45,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:45,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:45,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:45,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:45,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157745826] [2020-09-25 09:55:45,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:45,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:55:45,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965248946] [2020-09-25 09:55:45,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:55:45,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:45,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:55:45,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:55:45,586 INFO L87 Difference]: Start difference. First operand 397 states and 447 transitions. Second operand 10 states. [2020-09-25 09:55:47,202 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:47,495 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:47,795 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:55:48,120 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:48,487 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:55:48,800 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:49,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:49,833 INFO L93 Difference]: Finished difference Result 765 states and 929 transitions. [2020-09-25 09:55:49,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:55:49,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-25 09:55:49,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:49,839 INFO L225 Difference]: With dead ends: 765 [2020-09-25 09:55:49,839 INFO L226 Difference]: Without dead ends: 483 [2020-09-25 09:55:49,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:55:49,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-25 09:55:49,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 405. [2020-09-25 09:55:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 09:55:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 455 transitions. [2020-09-25 09:55:49,912 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 455 transitions. Word has length 230 [2020-09-25 09:55:49,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:49,914 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 455 transitions. [2020-09-25 09:55:49,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:55:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 455 transitions. [2020-09-25 09:55:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-25 09:55:49,920 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:49,920 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:49,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:55:49,921 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1095445925, now seen corresponding path program 1 times [2020-09-25 09:55:49,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:49,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685645966] [2020-09-25 09:55:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:50,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:50,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:50,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-25 09:55:55,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:55:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 09:55:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:55:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:55:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-25 09:55:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,417 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:55,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-09-25 09:55:55,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:55,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:55:55,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:55,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:55,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:55,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:55,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:55,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:55,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:55,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:55,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:55,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:55,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:55:55,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:55,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:55,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:55,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:55,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:55,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:55,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:55,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:55:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:55,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:55:56,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 09:55:56,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:55:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:55:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:56,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:55:56,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:55:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:55:56,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:55:56,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:55:56,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 09:55:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:56,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:55:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:55:56,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 09:55:56,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 09:55:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 09:55:56,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:56,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 09:55:56,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:55:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:56,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:55:56,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:56,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:56,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:55:56,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:56,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 09:55:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:56,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:56,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 09:55:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 09:55:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 09:55:56,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685645966] [2020-09-25 09:55:56,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:55:56,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 09:55:56,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653250900] [2020-09-25 09:55:56,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:55:56,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:56,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:55:56,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:55:56,503 INFO L87 Difference]: Start difference. First operand 405 states and 455 transitions. Second operand 10 states. [2020-09-25 09:55:57,018 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:57,831 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:00,030 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:03,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:03,213 INFO L93 Difference]: Finished difference Result 1409 states and 1886 transitions. [2020-09-25 09:56:03,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 09:56:03,215 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 257 [2020-09-25 09:56:03,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:03,224 INFO L225 Difference]: With dead ends: 1409 [2020-09-25 09:56:03,225 INFO L226 Difference]: Without dead ends: 1074 [2020-09-25 09:56:03,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=253, Invalid=739, Unknown=0, NotChecked=0, Total=992 [2020-09-25 09:56:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-09-25 09:56:03,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 908. [2020-09-25 09:56:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-09-25 09:56:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1083 transitions. [2020-09-25 09:56:03,348 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1083 transitions. Word has length 257 [2020-09-25 09:56:03,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:03,349 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1083 transitions. [2020-09-25 09:56:03,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:56:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1083 transitions. [2020-09-25 09:56:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 09:56:03,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:03,353 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:03,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:56:03,354 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:03,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:03,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1231012387, now seen corresponding path program 1 times [2020-09-25 09:56:03,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:03,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735778323] [2020-09-25 09:56:03,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:03,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:08,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:08,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 09:56:08,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:08,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 09:56:08,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:08,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 09:56:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:56:08,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-09-25 09:56:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:08,929 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:08,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:09,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-09-25 09:56:09,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:56:09,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:09,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:09,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:09,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:09,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:09,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:09,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:09,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:09,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:09,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:09,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:09,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:09,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:56:09,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:09,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:09,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:56:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:56:09,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:09,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:09,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 09:56:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:56:09,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 09:56:09,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:56:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:56:09,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:56:09,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:09,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:56:09,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:09,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:09,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:56:09,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:56:09,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:09,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:56:09,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:09,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:09,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:56:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:09,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:56:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:09,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:09,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:09,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 09:56:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:09,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:56:09,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 09:56:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:09,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:09,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:09,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:09,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:09,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:09,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:09,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735778323] [2020-09-25 09:56:09,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:09,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 09:56:09,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975310288] [2020-09-25 09:56:09,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 09:56:09,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:09,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 09:56:09,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 09:56:09,977 INFO L87 Difference]: Start difference. First operand 908 states and 1083 transitions. Second operand 13 states. [2020-09-25 09:56:10,697 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190