/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:53,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:53,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:53,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:53,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:53,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:53,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:53,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:53,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:53,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:53,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:53,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:53,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:53,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:53,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:53,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:53,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:53,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:53,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:53,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:53,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:53,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:53,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:53,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:53,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:53,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:53,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:53,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:53,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:53,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:53,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:53,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:53,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:53,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:53,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:53,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:53,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:53,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:53,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:53,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:53,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:53,807 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 [2020-09-24 15:54:53,832 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:53,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:53,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:53,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:53,834 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:53,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:53,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:53,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:53,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:53,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:53,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:53,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:53,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:53,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:53,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:53,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:53,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:53,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:53,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:53,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:53,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:53,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:53,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:53,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:53,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:53,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:53,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:53,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:53,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:53,840 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:54:54,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:54,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:54,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:54,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:54,354 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:54,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-24 15:54:54,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4b4146dd/79dbcae5781f476f9a17646956f6c183/FLAG5bcaccfc1 [2020-09-24 15:54:55,043 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:55,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-24 15:54:55,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4b4146dd/79dbcae5781f476f9a17646956f6c183/FLAG5bcaccfc1 [2020-09-24 15:54:55,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4b4146dd/79dbcae5781f476f9a17646956f6c183 [2020-09-24 15:54:55,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:55,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:55,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:55,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:55,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:55,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:55" (1/1) ... [2020-09-24 15:54:55,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2894617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:55, skipping insertion in model container [2020-09-24 15:54:55,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:55" (1/1) ... [2020-09-24 15:54:55,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:55,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:55,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:55,788 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:56,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:56,047 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:56,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56 WrapperNode [2020-09-24 15:54:56,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:56,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:56,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:56,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:56,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (1/1) ... [2020-09-24 15:54:56,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:56,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:56,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:56,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:56,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (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 [2020-09-24 15:54:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:54:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:54:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:54:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:54:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:54:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:54:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:57,458 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:57,458 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:57,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:57 BoogieIcfgContainer [2020-09-24 15:54:57,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:57,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:57,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:57,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:57,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:55" (1/3) ... [2020-09-24 15:54:57,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18953666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:57, skipping insertion in model container [2020-09-24 15:54:57,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:56" (2/3) ... [2020-09-24 15:54:57,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18953666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:57, skipping insertion in model container [2020-09-24 15:54:57,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:57" (3/3) ... [2020-09-24 15:54:57,477 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-09-24 15:54:57,490 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:57,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:57,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:57,574 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:57,575 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:57,576 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:57,576 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:57,576 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:57,577 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:57,577 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:57,581 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-09-24 15:54:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:57,675 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:57,678 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] [2020-09-24 15:54:57,679 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:57,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-09-24 15:54:57,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:57,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551093583] [2020-09-24 15:54:57,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:58,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:54:58,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,634 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:58,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:58,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:54:58,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:58,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:58,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:58,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551093583] [2020-09-24 15:54:58,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:58,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:58,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683215074] [2020-09-24 15:54:58,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:58,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:58,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:58,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:58,857 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-09-24 15:55:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:00,423 INFO L93 Difference]: Finished difference Result 604 states and 711 transitions. [2020-09-24 15:55:00,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:55:00,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:55:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:00,448 INFO L225 Difference]: With dead ends: 604 [2020-09-24 15:55:00,449 INFO L226 Difference]: Without dead ends: 371 [2020-09-24 15:55:00,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:55:00,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-24 15:55:00,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318. [2020-09-24 15:55:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-09-24 15:55:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions. [2020-09-24 15:55:00,588 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160 [2020-09-24 15:55:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:00,590 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 350 transitions. [2020-09-24 15:55:00,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:55:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions. [2020-09-24 15:55:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:55:00,595 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:00,595 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] [2020-09-24 15:55:00,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:55:00,596 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:00,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times [2020-09-24 15:55:00,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:00,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258029861] [2020-09-24 15:55:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:55:00,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:00,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:55:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,096 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:01,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:01,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:01,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:01,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258029861] [2020-09-24 15:55:01,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:01,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:55:01,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566870935] [2020-09-24 15:55:01,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:55:01,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:01,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:55:01,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:55:01,278 INFO L87 Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states. [2020-09-24 15:55:01,924 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:03,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:03,356 INFO L93 Difference]: Finished difference Result 523 states and 595 transitions. [2020-09-24 15:55:03,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:55:03,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:55:03,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:03,362 INFO L225 Difference]: With dead ends: 523 [2020-09-24 15:55:03,362 INFO L226 Difference]: Without dead ends: 360 [2020-09-24 15:55:03,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:55:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-24 15:55:03,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308. [2020-09-24 15:55:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-24 15:55:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-09-24 15:55:03,415 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161 [2020-09-24 15:55:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:03,416 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-09-24 15:55:03,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:55:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-09-24 15:55:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:55:03,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:03,419 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] [2020-09-24 15:55:03,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:55:03,420 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:03,420 INFO L82 PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times [2020-09-24 15:55:03,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:03,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468226624] [2020-09-24 15:55:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:03,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:55:03,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:55:03,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:55:03,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:55:03,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:55:03,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:55:03,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,835 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:03,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:03,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:03,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:03,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:03,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:03,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:03,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:03,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:55:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:55:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:04,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468226624] [2020-09-24 15:55:04,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:04,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:55:04,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674421715] [2020-09-24 15:55:04,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:55:04,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:04,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:55:04,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:55:04,045 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 6 states. [2020-09-24 15:55:04,603 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:07,376 INFO L93 Difference]: Finished difference Result 780 states and 907 transitions. [2020-09-24 15:55:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:55:07,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:55:07,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:07,383 INFO L225 Difference]: With dead ends: 780 [2020-09-24 15:55:07,383 INFO L226 Difference]: Without dead ends: 587 [2020-09-24 15:55:07,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:55:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-09-24 15:55:07,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 491. [2020-09-24 15:55:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-09-24 15:55:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 550 transitions. [2020-09-24 15:55:07,461 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 550 transitions. Word has length 174 [2020-09-24 15:55:07,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:07,462 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 550 transitions. [2020-09-24 15:55:07,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:55:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 550 transitions. [2020-09-24 15:55:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:55:07,465 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:07,465 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] [2020-09-24 15:55:07,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:55:07,466 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:07,466 INFO L82 PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times [2020-09-24 15:55:07,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:07,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29557700] [2020-09-24 15:55:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:55:07,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:55:07,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:55:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:55:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-24 15:55:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,969 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:08,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:55:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:08,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:08,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:08,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:08,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:08,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:08,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:55:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:08,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:55:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:08,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:08,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:08,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:08,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:55:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:08,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:08,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:55:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:08,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:08,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:08,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:08,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:08,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:08,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:08,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:08,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:55:08,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29557700] [2020-09-24 15:55:08,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:08,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:55:08,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442376829] [2020-09-24 15:55:08,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:55:08,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:08,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:55:08,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:55:08,221 INFO L87 Difference]: Start difference. First operand 491 states and 550 transitions. Second operand 10 states. [2020-09-24 15:55:08,792 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:09,888 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:10,221 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:11,716 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:12,019 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:12,372 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:13,069 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:13,409 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:13,757 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:14,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:14,692 INFO L93 Difference]: Finished difference Result 1184 states and 1411 transitions. [2020-09-24 15:55:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:55:14,693 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:55:14,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:14,700 INFO L225 Difference]: With dead ends: 1184 [2020-09-24 15:55:14,700 INFO L226 Difference]: Without dead ends: 808 [2020-09-24 15:55:14,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:55:14,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-09-24 15:55:14,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 721. [2020-09-24 15:55:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-09-24 15:55:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 810 transitions. [2020-09-24 15:55:14,820 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 810 transitions. Word has length 179 [2020-09-24 15:55:14,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:14,820 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 810 transitions. [2020-09-24 15:55:14,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:55:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 810 transitions. [2020-09-24 15:55:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:14,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:14,827 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, 1, 1, 1, 1] [2020-09-24 15:55:14,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:55:14,828 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:14,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:14,828 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-09-24 15:55:14,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:14,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696322507] [2020-09-24 15:55:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:14,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:14,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:14,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:14,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:14,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:14,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-24 15:55:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:14,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:15,168 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:15,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:15,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:15,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:15,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:15,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:15,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:15,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:15,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:15,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:15,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:15,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:15,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:55:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:15,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:15,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:15,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:15,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:55:15,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:15,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:55:15,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:55:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:15,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:15,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:55:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:15,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:15,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:55:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:15,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:15,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:15,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:15,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:15,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:15,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:15,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:15,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:15,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:15,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696322507] [2020-09-24 15:55:15,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:15,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:55:15,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930465242] [2020-09-24 15:55:15,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:55:15,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:15,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:55:15,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:55:15,720 INFO L87 Difference]: Start difference. First operand 721 states and 810 transitions. Second operand 11 states. [2020-09-24 15:55:17,586 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:17,849 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:18,184 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:18,557 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:18,898 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:19,194 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:20,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:20,681 INFO L93 Difference]: Finished difference Result 1516 states and 1828 transitions. [2020-09-24 15:55:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:55:20,682 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-24 15:55:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:20,689 INFO L225 Difference]: With dead ends: 1516 [2020-09-24 15:55:20,689 INFO L226 Difference]: Without dead ends: 910 [2020-09-24 15:55:20,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:55:20,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-09-24 15:55:20,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 740. [2020-09-24 15:55:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-24 15:55:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 830 transitions. [2020-09-24 15:55:20,817 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 830 transitions. Word has length 239 [2020-09-24 15:55:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:20,817 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 830 transitions. [2020-09-24 15:55:20,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:55:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 830 transitions. [2020-09-24 15:55:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:20,822 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:20,823 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, 1, 1, 1, 1] [2020-09-24 15:55:20,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:55:20,823 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:20,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:20,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1083605603, now seen corresponding path program 1 times [2020-09-24 15:55:20,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:20,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527216016] [2020-09-24 15:55:20,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:20,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:20,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -98 [2020-09-24 15:55:20,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 98 [2020-09-24 15:55:20,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:20,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:20,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:20,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:55:20,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 15:55:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:20,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,230 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:21,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:21,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:21,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:21,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:21,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:21,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:21,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:21,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:21,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:21,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:55:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:21,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:55:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:55:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:21,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:21,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:55:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:21,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:21,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:21,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:55:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:55:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:21,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:21,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:21,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:21,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:55:21,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:21,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:21,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:21,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:21,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:21,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:21,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:21,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:21,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:21,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527216016] [2020-09-24 15:55:21,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:21,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:55:21,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656528697] [2020-09-24 15:55:21,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:55:21,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:21,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:55:21,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:55:21,619 INFO L87 Difference]: Start difference. First operand 740 states and 830 transitions. Second operand 10 states. [2020-09-24 15:55:23,067 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:23,409 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:23,774 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:24,122 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:24,442 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:26,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:26,024 INFO L93 Difference]: Finished difference Result 1553 states and 1866 transitions. [2020-09-24 15:55:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:55:26,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2020-09-24 15:55:26,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:26,034 INFO L225 Difference]: With dead ends: 1553 [2020-09-24 15:55:26,034 INFO L226 Difference]: Without dead ends: 928 [2020-09-24 15:55:26,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:55:26,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-09-24 15:55:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 752. [2020-09-24 15:55:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-09-24 15:55:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 842 transitions. [2020-09-24 15:55:26,163 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 842 transitions. Word has length 239 [2020-09-24 15:55:26,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:26,164 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 842 transitions. [2020-09-24 15:55:26,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:55:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 842 transitions. [2020-09-24 15:55:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:26,173 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:26,173 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, 1, 1, 1, 1] [2020-09-24 15:55:26,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:55:26,174 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:26,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:26,174 INFO L82 PathProgramCache]: Analyzing trace with hash -247892448, now seen corresponding path program 1 times [2020-09-24 15:55:26,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:26,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085475129] [2020-09-24 15:55:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:26,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:55:26,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:55:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:55:26,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-24 15:55:26,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,655 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:26,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:26,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:55:26,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:26,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:26,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:26,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:26,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:26,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:26,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:26,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:26,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:55:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:26,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:26,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:26,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:26,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:26,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:55:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:55:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 15:55:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:26,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:55:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:26,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:55:26,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:26,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:26,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:26,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:55:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:26,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:26,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:26,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:26,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:26,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:26,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:26,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:26,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:26,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:26,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:27,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085475129] [2020-09-24 15:55:27,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:27,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:55:27,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424836944] [2020-09-24 15:55:27,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:55:27,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:27,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:55:27,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:55:27,039 INFO L87 Difference]: Start difference. First operand 752 states and 842 transitions. Second operand 8 states. [2020-09-24 15:55:27,577 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:28,301 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:31,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:31,495 INFO L93 Difference]: Finished difference Result 2213 states and 2697 transitions. [2020-09-24 15:55:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:55:31,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-09-24 15:55:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:31,506 INFO L225 Difference]: With dead ends: 2213 [2020-09-24 15:55:31,506 INFO L226 Difference]: Without dead ends: 1576 [2020-09-24 15:55:31,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:55:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-09-24 15:55:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1329. [2020-09-24 15:55:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-09-24 15:55:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1515 transitions. [2020-09-24 15:55:31,682 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1515 transitions. Word has length 239 [2020-09-24 15:55:31,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:31,686 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1515 transitions. [2020-09-24 15:55:31,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:55:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1515 transitions. [2020-09-24 15:55:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-24 15:55:31,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:31,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:31,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:55:31,694 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:31,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:31,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1352362414, now seen corresponding path program 1 times [2020-09-24 15:55:31,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:31,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063665626] [2020-09-24 15:55:31,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:31,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:31,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -70 [2020-09-24 15:55:31,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 70 [2020-09-24 15:55:31,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:31,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-24 15:55:31,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:31,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 15:55:31,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:55:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:55:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-09-24 15:55:31,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,273 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:32,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:32,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:55:32,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:32,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:32,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:32,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:32,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:32,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:32,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:32,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:32,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:32,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:55:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:32,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:32,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:55:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:32,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:32,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:32,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:32,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:32,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:55:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:32,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:32,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:55:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:32,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:32,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:32,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:32,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:32,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:32,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:32,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:32,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:55:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:32,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:32,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:55:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:32,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:32,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:32,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:32,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:32,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:32,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:32,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:32,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:32,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:32,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:32,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063665626] [2020-09-24 15:55:32,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:32,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:55:32,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736689386] [2020-09-24 15:55:32,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:55:32,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:32,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:55:32,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:55:32,806 INFO L87 Difference]: Start difference. First operand 1329 states and 1515 transitions. Second operand 15 states. [2020-09-24 15:55:33,546 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:34,418 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:35,628 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:36,000 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:36,414 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:36,753 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:37,085 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:37,434 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:37,829 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:38,150 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:41,597 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:55:42,207 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:42,540 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:43,104 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:44,670 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:55:45,280 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:55:45,912 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:55:47,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:47,602 INFO L93 Difference]: Finished difference Result 4368 states and 5319 transitions. [2020-09-24 15:55:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-09-24 15:55:47,603 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2020-09-24 15:55:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:47,626 INFO L225 Difference]: With dead ends: 4368 [2020-09-24 15:55:47,627 INFO L226 Difference]: Without dead ends: 3379 [2020-09-24 15:55:47,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=864, Invalid=3296, Unknown=0, NotChecked=0, Total=4160 [2020-09-24 15:55:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2020-09-24 15:55:47,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 2712. [2020-09-24 15:55:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2712 states. [2020-09-24 15:55:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3075 transitions. [2020-09-24 15:55:48,002 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3075 transitions. Word has length 244 [2020-09-24 15:55:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:48,002 INFO L479 AbstractCegarLoop]: Abstraction has 2712 states and 3075 transitions. [2020-09-24 15:55:48,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:55:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3075 transitions. [2020-09-24 15:55:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-09-24 15:55:48,010 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:48,011 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:48,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:55:48,011 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:48,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:48,012 INFO L82 PathProgramCache]: Analyzing trace with hash 247345323, now seen corresponding path program 1 times [2020-09-24 15:55:48,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:48,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925314459] [2020-09-24 15:55:48,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-09-24 15:55:48,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:55:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:55:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,406 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:48,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:48,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:48,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:48,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:48,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:48,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:55:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-24 15:55:48,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:55:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:55:48,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:48,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:48,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:55:48,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:48,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:48,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:48,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:48,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:48,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 15:55:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:48,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-24 15:55:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:48,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:48,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:55:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 15:55:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:55:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-09-24 15:55:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-09-24 15:55:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:48,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:48,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:48,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:48,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:48,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:48,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:48,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:55:48,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925314459] [2020-09-24 15:55:48,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:48,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:55:48,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058126141] [2020-09-24 15:55:48,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:55:48,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:48,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:55:48,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:55:48,781 INFO L87 Difference]: Start difference. First operand 2712 states and 3075 transitions. Second operand 10 states. [2020-09-24 15:55:49,370 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:50,364 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189