/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options 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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:53,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:53,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:53,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:53,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:53,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:53,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:53,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:53,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:53,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:53,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:53,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:53,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:53,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:53,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:53,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:53,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:53,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:53,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:53,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:53,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:53,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:53,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:53,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:53,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:53,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:53,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:53,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:53,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:53,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:53,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:53,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:53,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:53,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:53,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:53,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:53,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:53,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:53,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:53,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:53,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:53,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:15:53,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:53,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:53,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:53,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:53,926 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:53,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:53,926 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:53,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:53,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:53,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:53,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:53,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:53,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:53,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:53,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:53,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:53,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:53,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:53,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:53,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:53,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:53,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:53,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:53,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:53,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:53,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:53,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:53,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:53,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:53,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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; [2020-09-21 11:15:54,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:54,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:54,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:54,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:54,456 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:54,457 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-21 11:15:54,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68b8a6e68/7cbae262a52b4c64bfdb6cc419d7e567/FLAG3410ca272 [2020-09-21 11:15:55,138 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:55,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-21 11:15:55,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68b8a6e68/7cbae262a52b4c64bfdb6cc419d7e567/FLAG3410ca272 [2020-09-21 11:15:55,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68b8a6e68/7cbae262a52b4c64bfdb6cc419d7e567 [2020-09-21 11:15:55,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:55,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:55,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:55,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:55,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:55,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:55" (1/1) ... [2020-09-21 11:15:55,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:55, skipping insertion in model container [2020-09-21 11:15:55,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:55" (1/1) ... [2020-09-21 11:15:55,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:55,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:55,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:55,966 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:56,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:56,164 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56 WrapperNode [2020-09-21 11:15:56,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:56,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:56,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:56,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:56,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (1/1) ... [2020-09-21 11:15:56,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:56,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:56,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:56,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:56,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (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 [2020-09-21 11:15:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:15:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:15:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:15:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:57,516 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:57,516 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:57,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:57 BoogieIcfgContainer [2020-09-21 11:15:57,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:57,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:57,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:57,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:57,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:55" (1/3) ... [2020-09-21 11:15:57,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cb61fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:57, skipping insertion in model container [2020-09-21 11:15:57,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:56" (2/3) ... [2020-09-21 11:15:57,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cb61fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:57, skipping insertion in model container [2020-09-21 11:15:57,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:57" (3/3) ... [2020-09-21 11:15:57,540 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-21 11:15:57,552 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:57,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:57,588 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:57,615 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:57,615 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:57,615 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:57,615 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:57,615 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:57,615 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:57,616 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:57,616 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-09-21 11:15:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:57,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:57,657 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:15:57,657 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:57,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:57,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2020-09-21 11:15:57,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:57,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151839538] [2020-09-21 11:15:57,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:58,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:15:58,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:58,489 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:58,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:58,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:58,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:58,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:58,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:58,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:58,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:58,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:58,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:58,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:58,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:58,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:58,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:58,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:58,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:58,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:58,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:58,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:58,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:58,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:58,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:58,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:58,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:58,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:58,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:58,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:58,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:58,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151839538] [2020-09-21 11:15:58,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:58,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:58,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782689097] [2020-09-21 11:15:58,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:58,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:58,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:58,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:58,773 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 4 states. [2020-09-21 11:16:00,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:00,023 INFO L93 Difference]: Finished difference Result 309 states and 395 transitions. [2020-09-21 11:16:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:00,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:00,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:00,045 INFO L225 Difference]: With dead ends: 309 [2020-09-21 11:16:00,045 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 11:16:00,051 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 [2020-09-21 11:16:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 11:16:00,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 140. [2020-09-21 11:16:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-09-21 11:16:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2020-09-21 11:16:00,150 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2020-09-21 11:16:00,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:00,151 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2020-09-21 11:16:00,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2020-09-21 11:16:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:16:00,156 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:00,156 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:00,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:00,156 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:00,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:00,157 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2020-09-21 11:16:00,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:00,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711560910] [2020-09-21 11:16:00,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:16:00,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:00,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,603 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:00,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:16:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:16:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:00,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711560910] [2020-09-21 11:16:00,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:00,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:00,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912091660] [2020-09-21 11:16:00,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:00,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:00,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:00,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:00,784 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 5 states. [2020-09-21 11:16:01,314 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:02,320 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2020-09-21 11:16:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:02,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:16:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:02,325 INFO L225 Difference]: With dead ends: 250 [2020-09-21 11:16:02,325 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 11:16:02,327 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 [2020-09-21 11:16:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 11:16:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2020-09-21 11:16:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-21 11:16:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-09-21 11:16:02,367 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2020-09-21 11:16:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:02,367 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-09-21 11:16:02,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-09-21 11:16:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:16:02,370 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:02,371 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:02,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:02,371 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:02,371 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2020-09-21 11:16:02,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:02,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522739171] [2020-09-21 11:16:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:02,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:02,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:02,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:02,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:02,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:16:02,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:02,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-09-21 11:16:02,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:02,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:16:02,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:02,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:16:02,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,349 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:03,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:03,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:16:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:03,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522739171] [2020-09-21 11:16:03,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:03,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:03,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602740890] [2020-09-21 11:16:03,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:03,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:03,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:03,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:03,547 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2020-09-21 11:16:03,985 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:05,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:05,053 INFO L93 Difference]: Finished difference Result 263 states and 322 transitions. [2020-09-21 11:16:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:16:05,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:16:05,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:05,060 INFO L225 Difference]: With dead ends: 263 [2020-09-21 11:16:05,060 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 11:16:05,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:05,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 11:16:05,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2020-09-21 11:16:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-21 11:16:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2020-09-21 11:16:05,097 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2020-09-21 11:16:05,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:05,098 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2020-09-21 11:16:05,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2020-09-21 11:16:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-21 11:16:05,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:05,101 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:05,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:05,102 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:05,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:05,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2020-09-21 11:16:05,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:05,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359872426] [2020-09-21 11:16:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:16:05,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-21 11:16:05,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:16:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:16:05,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,853 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 11:16:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:06,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:06,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:06,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:06,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:06,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:16:06,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:06,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:16:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:06,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:06,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:06,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:06,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:16:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:06,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:06,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:06,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:16:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:06,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:06,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:06,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359872426] [2020-09-21 11:16:06,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:06,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:06,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725304842] [2020-09-21 11:16:06,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:06,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:06,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:06,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:06,203 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 8 states. [2020-09-21 11:16:06,692 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:08,460 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:09,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:09,157 INFO L93 Difference]: Finished difference Result 367 states and 456 transitions. [2020-09-21 11:16:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:09,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-21 11:16:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:09,162 INFO L225 Difference]: With dead ends: 367 [2020-09-21 11:16:09,162 INFO L226 Difference]: Without dead ends: 264 [2020-09-21 11:16:09,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:16:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-09-21 11:16:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 218. [2020-09-21 11:16:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-21 11:16:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 249 transitions. [2020-09-21 11:16:09,216 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 249 transitions. Word has length 78 [2020-09-21 11:16:09,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:09,217 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 249 transitions. [2020-09-21 11:16:09,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 249 transitions. [2020-09-21 11:16:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:09,219 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:09,219 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:09,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:09,220 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:09,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:09,220 INFO L82 PathProgramCache]: Analyzing trace with hash 462053503, now seen corresponding path program 1 times [2020-09-21 11:16:09,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:09,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612959461] [2020-09-21 11:16:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:16:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,183 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:10,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 11:16:10,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:10,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:10,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:16:10,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:10,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:16:10,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:10,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:16:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:10,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:10,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:10,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612959461] [2020-09-21 11:16:10,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:10,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:10,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466790481] [2020-09-21 11:16:10,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:10,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:10,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:10,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:10,544 INFO L87 Difference]: Start difference. First operand 218 states and 249 transitions. Second operand 9 states. [2020-09-21 11:16:11,109 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:11,958 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:12,720 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:13,153 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:13,744 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:14,066 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:14,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:14,782 INFO L93 Difference]: Finished difference Result 453 states and 550 transitions. [2020-09-21 11:16:14,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:14,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-09-21 11:16:14,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:14,786 INFO L225 Difference]: With dead ends: 453 [2020-09-21 11:16:14,786 INFO L226 Difference]: Without dead ends: 263 [2020-09-21 11:16:14,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-09-21 11:16:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 217. [2020-09-21 11:16:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-09-21 11:16:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2020-09-21 11:16:14,837 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 92 [2020-09-21 11:16:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:14,838 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2020-09-21 11:16:14,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2020-09-21 11:16:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:16:14,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:14,840 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:14,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:14,841 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:14,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:14,841 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2020-09-21 11:16:14,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:14,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844277375] [2020-09-21 11:16:14,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:16:14,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:14,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:16:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,227 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:15,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:15,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:15,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:15,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:16:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:15,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:15,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:15,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:15,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:15,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:15,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:15,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:16:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:15,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:15,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844277375] [2020-09-21 11:16:15,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:15,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:15,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093414488] [2020-09-21 11:16:15,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:15,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:15,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:15,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:15,436 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 9 states. [2020-09-21 11:16:16,492 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:16,789 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:17,097 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:17,422 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:18,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:18,300 INFO L93 Difference]: Finished difference Result 451 states and 544 transitions. [2020-09-21 11:16:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:18,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-09-21 11:16:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:18,303 INFO L225 Difference]: With dead ends: 451 [2020-09-21 11:16:18,304 INFO L226 Difference]: Without dead ends: 262 [2020-09-21 11:16:18,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:18,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-09-21 11:16:18,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 222. [2020-09-21 11:16:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-21 11:16:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2020-09-21 11:16:18,356 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 93 [2020-09-21 11:16:18,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:18,359 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2020-09-21 11:16:18,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2020-09-21 11:16:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:16:18,363 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:18,363 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:18,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:18,363 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:18,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:18,364 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2020-09-21 11:16:18,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:18,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662793253] [2020-09-21 11:16:18,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:18,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-21 11:16:18,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-21 11:16:18,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:16:18,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:16:18,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 11:16:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,712 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:18,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:18,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:18,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:18,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:18,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:18,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:18,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:18,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:18,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:18,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:18,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:18,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:18,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:16:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:18,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662793253] [2020-09-21 11:16:18,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:18,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:18,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686699093] [2020-09-21 11:16:18,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:18,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:18,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:18,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:18,943 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 8 states. [2020-09-21 11:16:20,032 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:20,356 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:20,664 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:21,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:21,536 INFO L93 Difference]: Finished difference Result 460 states and 561 transitions. [2020-09-21 11:16:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:21,543 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-09-21 11:16:21,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:21,546 INFO L225 Difference]: With dead ends: 460 [2020-09-21 11:16:21,546 INFO L226 Difference]: Without dead ends: 266 [2020-09-21 11:16:21,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:21,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-09-21 11:16:21,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2020-09-21 11:16:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-21 11:16:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 255 transitions. [2020-09-21 11:16:21,599 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 255 transitions. Word has length 93 [2020-09-21 11:16:21,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:21,600 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 255 transitions. [2020-09-21 11:16:21,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 255 transitions. [2020-09-21 11:16:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:16:21,601 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:21,601 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:21,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:21,602 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:21,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2020-09-21 11:16:21,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:21,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063770717] [2020-09-21 11:16:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:16:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:16:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,225 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:16:22,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:22,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:22,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:22,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:22,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:22,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:22,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:22,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:22,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:22,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:16:22,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:22,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:22,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:16:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:22,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:22,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:16:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:22,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:22,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:22,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:22,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:16:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:22,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063770717] [2020-09-21 11:16:22,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:22,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:16:22,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485242351] [2020-09-21 11:16:22,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:16:22,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:22,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:16:22,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:22,527 INFO L87 Difference]: Start difference. First operand 226 states and 255 transitions. Second operand 7 states. [2020-09-21 11:16:22,888 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:23,542 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:25,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:25,572 INFO L93 Difference]: Finished difference Result 645 states and 802 transitions. [2020-09-21 11:16:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:25,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-09-21 11:16:25,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:25,576 INFO L225 Difference]: With dead ends: 645 [2020-09-21 11:16:25,576 INFO L226 Difference]: Without dead ends: 447 [2020-09-21 11:16:25,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:16:25,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-21 11:16:25,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2020-09-21 11:16:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-21 11:16:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 471 transitions. [2020-09-21 11:16:25,658 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 471 transitions. Word has length 93 [2020-09-21 11:16:25,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:25,660 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 471 transitions. [2020-09-21 11:16:25,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:16:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 471 transitions. [2020-09-21 11:16:25,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:16:25,667 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:25,667 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:25,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:25,668 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:25,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:25,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2020-09-21 11:16:25,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:25,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536471538] [2020-09-21 11:16:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:16:26,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-09-21 11:16:26,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:16:26,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,637 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:16:26,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:26,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:26,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:26,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:26,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:26,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:26,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:26,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:26,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:16:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:26,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:26,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:26,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:26,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:16:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:26,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:16:26,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:26,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:26,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:26,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:16:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:26,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:16:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:27,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536471538] [2020-09-21 11:16:27,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:27,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:27,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554395271] [2020-09-21 11:16:27,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:27,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:27,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:27,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:27,024 INFO L87 Difference]: Start difference. First operand 405 states and 471 transitions. Second operand 12 states. [2020-09-21 11:16:27,475 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:28,270 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:29,549 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:29,930 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:30,248 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:30,606 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:30,977 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:32,521 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:32,880 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:33,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:33,834 INFO L93 Difference]: Finished difference Result 1123 states and 1390 transitions. [2020-09-21 11:16:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:33,837 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-09-21 11:16:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:33,842 INFO L225 Difference]: With dead ends: 1123 [2020-09-21 11:16:33,842 INFO L226 Difference]: Without dead ends: 820 [2020-09-21 11:16:33,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-09-21 11:16:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 698. [2020-09-21 11:16:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-09-21 11:16:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 804 transitions. [2020-09-21 11:16:33,971 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 804 transitions. Word has length 97 [2020-09-21 11:16:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:33,971 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 804 transitions. [2020-09-21 11:16:33,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 804 transitions. [2020-09-21 11:16:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:16:33,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:33,974 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:33,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:33,975 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:33,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:33,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2020-09-21 11:16:33,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:33,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192005398] [2020-09-21 11:16:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:34,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -86 [2020-09-21 11:16:34,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 86 [2020-09-21 11:16:34,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-21 11:16:34,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:34,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-09-21 11:16:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:16:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,372 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:34,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:34,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:16:34,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:34,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:34,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:34,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:34,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:16:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:34,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:34,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 11:16:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:34,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:16:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:16:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:34,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:34,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:16:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-21 11:16:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:16:34,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192005398] [2020-09-21 11:16:34,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:34,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:34,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973986189] [2020-09-21 11:16:34,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:34,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:34,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:34,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:34,718 INFO L87 Difference]: Start difference. First operand 698 states and 804 transitions. Second operand 12 states. [2020-09-21 11:16:35,208 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:16:36,016 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:36,365 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:37,195 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:37,539 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:38,543 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:38,872 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:39,215 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:39,913 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:16:40,568 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:41,018 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:41,746 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:42,541 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:43,218 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:43,922 INFO L93 Difference]: Finished difference Result 1529 states and 1812 transitions. [2020-09-21 11:16:43,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:16:43,923 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-09-21 11:16:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:43,929 INFO L225 Difference]: With dead ends: 1529 [2020-09-21 11:16:43,929 INFO L226 Difference]: Without dead ends: 929 [2020-09-21 11:16:43,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:16:43,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-09-21 11:16:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 836. [2020-09-21 11:16:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-09-21 11:16:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 967 transitions. [2020-09-21 11:16:44,086 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 967 transitions. Word has length 157 [2020-09-21 11:16:44,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:44,086 INFO L479 AbstractCegarLoop]: Abstraction has 836 states and 967 transitions. [2020-09-21 11:16:44,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:44,087 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 967 transitions. [2020-09-21 11:16:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-21 11:16:44,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:44,093 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2020-09-21 11:16:44,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:44,093 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:44,094 INFO L82 PathProgramCache]: Analyzing trace with hash -57355196, now seen corresponding path program 1 times [2020-09-21 11:16:44,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:44,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811841966] [2020-09-21 11:16:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-09-21 11:16:44,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:16:44,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:16:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:16:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:16:44,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,478 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:44,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:44,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:44,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:44,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:16:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:44,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:44,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:44,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:44,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:44,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:16:44,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:44,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:44,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-21 11:16:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:16:44,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:16:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:44,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:16:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:44,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:44,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:44,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:44,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:44,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:44,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:44,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:44,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:44,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:44,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:16:44,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:16:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:44,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:44,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-21 11:16:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:16:45,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:16:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:16:45,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:45,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:16:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:45,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-21 11:16:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:45,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-21 11:16:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:45,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:16:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:45,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:45,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:45,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-21 11:16:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-21 11:16:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-09-21 11:16:45,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811841966] [2020-09-21 11:16:45,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:45,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:16:45,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268663024] [2020-09-21 11:16:45,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:16:45,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:45,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:16:45,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:16:45,330 INFO L87 Difference]: Start difference. First operand 836 states and 967 transitions. Second operand 17 states. [2020-09-21 11:16:46,623 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:48,265 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:16:49,092 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:49,468 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191