/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:41:32,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:41:32,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:41:32,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:41:32,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:41:32,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:41:32,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:41:32,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:41:32,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:41:32,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:41:32,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:41:32,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:41:32,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:41:32,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:41:32,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:41:32,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:41:32,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:41:32,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:41:32,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:41:32,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:41:32,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:41:32,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:41:32,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:41:32,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:41:32,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:41:32,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:41:32,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:41:32,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:41:32,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:41:32,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:41:32,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:41:32,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:41:32,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:41:32,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:41:32,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:41:32,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:41:32,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:41:32,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:41:32,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:41:32,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:41:32,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:41:32,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:41:32,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:41:32,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:41:32,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:41:32,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:41:32,776 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:41:32,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:41:32,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:41:32,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:41:32,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:41:32,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:41:32,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:41:32,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:41:32,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:41:32,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:41:32,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:41:32,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:41:32,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:41:32,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:41:32,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:41:32,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:41:32,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:41:32,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:41:32,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:41:32,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:41:32,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:41:32,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:41:32,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:41:32,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:41:32,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:41:32,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:41:33,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:41:33,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:41:33,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:41:33,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:41:33,281 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:41:33,283 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-09-24 15:41:33,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23424df07/b3196d29b741494eb268bc3a47e27232/FLAG89abf1531 [2020-09-24 15:41:34,061 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:41:34,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-09-24 15:41:34,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23424df07/b3196d29b741494eb268bc3a47e27232/FLAG89abf1531 [2020-09-24 15:41:34,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23424df07/b3196d29b741494eb268bc3a47e27232 [2020-09-24 15:41:34,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:41:34,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:41:34,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:34,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:41:34,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:41:34,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:34" (1/1) ... [2020-09-24 15:41:34,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dadf5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:34, skipping insertion in model container [2020-09-24 15:41:34,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:34" (1/1) ... [2020-09-24 15:41:34,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:41:34,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:41:34,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:34,874 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:41:35,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:35,161 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:41:35,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35 WrapperNode [2020-09-24 15:41:35,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:35,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:41:35,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:41:35,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:41:35,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... [2020-09-24 15:41:35,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:41:35,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:41:35,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:41:35,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:41:35,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:41:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:41:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:41:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:41:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:41:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:41:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:41:35,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:41:35,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:41:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:41:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:41:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:41:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:41:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:41:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:41:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:41:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:41:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:41:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:41:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:41:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:41:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:41:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:41:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:41:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:41:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:41:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:41:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:41:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:41:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:41:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:41:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:41:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:41:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:41:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:41:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:41:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:41:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:41:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:41:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:41:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:41:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:41:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:41:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:41:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:41:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:41:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:41:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:41:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:41:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:41:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:41:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:41:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:41:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:41:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:41:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:41:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:41:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:41:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:41:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:41:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:41:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:41:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:41:36,635 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:41:36,636 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:41:36,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:36 BoogieIcfgContainer [2020-09-24 15:41:36,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:41:36,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:41:36,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:41:36,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:41:36,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:41:34" (1/3) ... [2020-09-24 15:41:36,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2374a924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:36, skipping insertion in model container [2020-09-24 15:41:36,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:35" (2/3) ... [2020-09-24 15:41:36,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2374a924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:36, skipping insertion in model container [2020-09-24 15:41:36,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:36" (3/3) ... [2020-09-24 15:41:36,655 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-09-24 15:41:36,668 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:41:36,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:41:36,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:41:36,748 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:41:36,748 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:41:36,748 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:41:36,749 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:41:36,749 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:41:36,749 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:41:36,749 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:41:36,749 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:41:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-09-24 15:41:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:41:36,799 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:36,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:36,801 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:36,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:36,810 INFO L82 PathProgramCache]: Analyzing trace with hash -479235834, now seen corresponding path program 1 times [2020-09-24 15:41:36,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:36,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196753342] [2020-09-24 15:41:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:41:37,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:41:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:41:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,781 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:37,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:37,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:37,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:37,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:37,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:37,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:37,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:37,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:37,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:37,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:37,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:37,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:37,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:37,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:37,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:37,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:37,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:37,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:37,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:38,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:38,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:38,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:38,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:38,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:38,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:38,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:38,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196753342] [2020-09-24 15:41:38,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:38,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:41:38,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340273018] [2020-09-24 15:41:38,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:41:38,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:38,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:41:38,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:38,093 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 3 states. [2020-09-24 15:41:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:39,591 INFO L93 Difference]: Finished difference Result 501 states and 601 transitions. [2020-09-24 15:41:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:41:39,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:41:39,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:39,621 INFO L225 Difference]: With dead ends: 501 [2020-09-24 15:41:39,621 INFO L226 Difference]: Without dead ends: 310 [2020-09-24 15:41:39,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-09-24 15:41:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 265. [2020-09-24 15:41:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-24 15:41:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 291 transitions. [2020-09-24 15:41:39,774 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 291 transitions. Word has length 142 [2020-09-24 15:41:39,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:39,775 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 291 transitions. [2020-09-24 15:41:39,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:41:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 291 transitions. [2020-09-24 15:41:39,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:41:39,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:39,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:39,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:41:39,781 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:39,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:39,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1495008589, now seen corresponding path program 1 times [2020-09-24 15:41:39,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:39,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269325115] [2020-09-24 15:41:39,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:39,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:39,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:39,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:39,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:39,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:41:39,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:41:39,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:41:39,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:39,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:40,273 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:40,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:40,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:40,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:40,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:40,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:40,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:40,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:40,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:40,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:40,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:40,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:40,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:40,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:40,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:40,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:40,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:41:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:40,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:40,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:40,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:40,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:40,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:40,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:40,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:40,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:40,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:40,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269325115] [2020-09-24 15:41:40,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:40,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:40,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723523880] [2020-09-24 15:41:40,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:40,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:40,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:40,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:40,479 INFO L87 Difference]: Start difference. First operand 265 states and 291 transitions. Second operand 4 states. [2020-09-24 15:41:41,172 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:42,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:42,339 INFO L93 Difference]: Finished difference Result 412 states and 468 transitions. [2020-09-24 15:41:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:42,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:41:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:42,346 INFO L225 Difference]: With dead ends: 412 [2020-09-24 15:41:42,346 INFO L226 Difference]: Without dead ends: 293 [2020-09-24 15:41:42,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:42,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-24 15:41:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 255. [2020-09-24 15:41:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-24 15:41:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 278 transitions. [2020-09-24 15:41:42,395 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 278 transitions. Word has length 143 [2020-09-24 15:41:42,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:42,396 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 278 transitions. [2020-09-24 15:41:42,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 278 transitions. [2020-09-24 15:41:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:41:42,398 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:42,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:42,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:41:42,399 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:42,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:42,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1257512961, now seen corresponding path program 1 times [2020-09-24 15:41:42,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:42,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22127511] [2020-09-24 15:41:42,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:42,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:42,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:42,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:42,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:41:42,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:41:42,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:41:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:41:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:41:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,009 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:43,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:41:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:43,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:43,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:43,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:43,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:43,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:43,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:41:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:43,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:43,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22127511] [2020-09-24 15:41:43,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:43,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:43,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296026168] [2020-09-24 15:41:43,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:43,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:43,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:43,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:43,202 INFO L87 Difference]: Start difference. First operand 255 states and 278 transitions. Second operand 4 states. [2020-09-24 15:41:43,738 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:45,623 INFO L93 Difference]: Finished difference Result 597 states and 689 transitions. [2020-09-24 15:41:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:45,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:41:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:45,630 INFO L225 Difference]: With dead ends: 597 [2020-09-24 15:41:45,630 INFO L226 Difference]: Without dead ends: 452 [2020-09-24 15:41:45,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:45,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-09-24 15:41:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 394. [2020-09-24 15:41:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-24 15:41:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 441 transitions. [2020-09-24 15:41:45,734 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 441 transitions. Word has length 152 [2020-09-24 15:41:45,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:45,735 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 441 transitions. [2020-09-24 15:41:45,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 441 transitions. [2020-09-24 15:41:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:41:45,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:45,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:45,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:41:45,741 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:45,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:45,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1773615273, now seen corresponding path program 1 times [2020-09-24 15:41:45,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:45,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693681046] [2020-09-24 15:41:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:41:45,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:41:45,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:41:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:41:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:46,229 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:46,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:46,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:41:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:46,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:46,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:46,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:46,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:46,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:46,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:46,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:46,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:41:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:46,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:46,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:41:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:46,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:41:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:46,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:46,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693681046] [2020-09-24 15:41:46,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:46,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:41:46,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74346892] [2020-09-24 15:41:46,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:41:46,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:46,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:41:46,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:41:46,540 INFO L87 Difference]: Start difference. First operand 394 states and 441 transitions. Second operand 9 states. [2020-09-24 15:41:47,240 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:48,524 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:48,900 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:41:49,369 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:49,754 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:50,279 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:50,655 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:50,979 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:51,523 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:52,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:52,691 INFO L93 Difference]: Finished difference Result 1079 states and 1295 transitions. [2020-09-24 15:41:52,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:41:52,692 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:41:52,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:52,699 INFO L225 Difference]: With dead ends: 1079 [2020-09-24 15:41:52,699 INFO L226 Difference]: Without dead ends: 795 [2020-09-24 15:41:52,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:41:52,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-09-24 15:41:52,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 651. [2020-09-24 15:41:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-09-24 15:41:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 742 transitions. [2020-09-24 15:41:52,816 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 742 transitions. Word has length 161 [2020-09-24 15:41:52,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:52,816 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 742 transitions. [2020-09-24 15:41:52,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:41:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 742 transitions. [2020-09-24 15:41:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:41:52,820 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:52,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:52,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:41:52,821 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:52,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:52,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1178898179, now seen corresponding path program 1 times [2020-09-24 15:41:52,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:52,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912884017] [2020-09-24 15:41:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:52,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:52,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:52,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:52,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:52,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:41:52,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:41:52,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:41:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:52,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:41:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,260 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:53,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:53,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:53,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:53,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:53,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:53,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:53,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:53,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:53,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:53,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:53,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:53,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:53,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:53,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:53,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:41:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:53,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:41:53,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:53,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:41:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:53,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:53,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:41:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:53,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:53,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:53,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:53,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:53,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:53,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:53,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:53,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912884017] [2020-09-24 15:41:53,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:53,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:41:53,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776121] [2020-09-24 15:41:53,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:41:53,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:53,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:41:53,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:41:53,639 INFO L87 Difference]: Start difference. First operand 651 states and 742 transitions. Second operand 10 states. [2020-09-24 15:41:54,084 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:55,367 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:55,699 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:56,073 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:56,423 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:56,744 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:57,496 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:57,732 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:58,098 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:59,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:59,235 INFO L93 Difference]: Finished difference Result 1786 states and 2207 transitions. [2020-09-24 15:41:59,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:41:59,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2020-09-24 15:41:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:59,244 INFO L225 Difference]: With dead ends: 1786 [2020-09-24 15:41:59,245 INFO L226 Difference]: Without dead ends: 1245 [2020-09-24 15:41:59,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:41:59,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2020-09-24 15:41:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1015. [2020-09-24 15:41:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-09-24 15:41:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1178 transitions. [2020-09-24 15:41:59,408 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1178 transitions. Word has length 166 [2020-09-24 15:41:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:59,409 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1178 transitions. [2020-09-24 15:41:59,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:41:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1178 transitions. [2020-09-24 15:41:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:41:59,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:59,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:59,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:41:59,422 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:59,422 INFO L82 PathProgramCache]: Analyzing trace with hash -446373878, now seen corresponding path program 1 times [2020-09-24 15:41:59,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:59,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129968032] [2020-09-24 15:41:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:41:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:59,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-24 15:41:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,777 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:59,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:59,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:59,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:59,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:59,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:59,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:59,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:59,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:59,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:59,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:59,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:59,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:59,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:59,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:59,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:59,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:59,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:59,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:41:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:41:59,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:59,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:41:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:41:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:59,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:41:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:59,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:59,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:59,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:59,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:59,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:59,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:59,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:59,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:41:59,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:00,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:00,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:00,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:00,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:00,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:00,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:00,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:00,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:00,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:00,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:00,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:00,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:00,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:00,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129968032] [2020-09-24 15:42:00,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:00,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:00,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363725370] [2020-09-24 15:42:00,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:00,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:00,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:00,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:00,129 INFO L87 Difference]: Start difference. First operand 1015 states and 1178 transitions. Second operand 10 states. [2020-09-24 15:42:01,595 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:01,858 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:02,200 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:42:02,530 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:02,872 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:42:03,173 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:04,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:04,519 INFO L93 Difference]: Finished difference Result 2244 states and 2790 transitions. [2020-09-24 15:42:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:42:04,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 15:42:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:04,533 INFO L225 Difference]: With dead ends: 2244 [2020-09-24 15:42:04,534 INFO L226 Difference]: Without dead ends: 1339 [2020-09-24 15:42:04,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:42:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-09-24 15:42:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1053. [2020-09-24 15:42:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-09-24 15:42:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1218 transitions. [2020-09-24 15:42:04,663 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1218 transitions. Word has length 217 [2020-09-24 15:42:04,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:04,664 INFO L479 AbstractCegarLoop]: Abstraction has 1053 states and 1218 transitions. [2020-09-24 15:42:04,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:04,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1218 transitions. [2020-09-24 15:42:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:42:04,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:04,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:04,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:42:04,669 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:04,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:04,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1237734314, now seen corresponding path program 1 times [2020-09-24 15:42:04,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:04,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736391808] [2020-09-24 15:42:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:04,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:04,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-24 15:42:04,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-24 15:42:04,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:04,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:42:04,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:04,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-09-24 15:42:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,013 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:05,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:05,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:05,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:05,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:05,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:05,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:05,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:05,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:05,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:42:05,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:05,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:05,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:05,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:42:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:05,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:05,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:05,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:05,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:05,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:05,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:05,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:05,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:05,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:05,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:05,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:05,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:05,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:05,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:05,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:05,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:05,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736391808] [2020-09-24 15:42:05,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:05,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:42:05,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251925685] [2020-09-24 15:42:05,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:42:05,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:05,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:42:05,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:05,345 INFO L87 Difference]: Start difference. First operand 1053 states and 1218 transitions. Second operand 9 states. [2020-09-24 15:42:06,662 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:06,969 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:07,290 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:07,612 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:07,889 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:09,175 INFO L93 Difference]: Finished difference Result 2318 states and 2866 transitions. [2020-09-24 15:42:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:42:09,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-09-24 15:42:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:09,185 INFO L225 Difference]: With dead ends: 2318 [2020-09-24 15:42:09,185 INFO L226 Difference]: Without dead ends: 1375 [2020-09-24 15:42:09,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:09,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2020-09-24 15:42:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1077. [2020-09-24 15:42:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-09-24 15:42:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1242 transitions. [2020-09-24 15:42:09,354 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1242 transitions. Word has length 217 [2020-09-24 15:42:09,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:09,355 INFO L479 AbstractCegarLoop]: Abstraction has 1077 states and 1242 transitions. [2020-09-24 15:42:09,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1242 transitions. [2020-09-24 15:42:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:42:09,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:09,360 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:09,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:42:09,360 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash -817020659, now seen corresponding path program 1 times [2020-09-24 15:42:09,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:09,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332421551] [2020-09-24 15:42:09,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:42:09,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:42:09,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:42:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 15:42:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,740 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:09,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:09,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:42:09,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:09,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:09,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:09,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:09,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:09,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:09,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:09,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:09,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:42:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:42:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:09,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:09,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:09,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:09,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:09,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:09,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:42:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:09,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:09,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:10,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:10,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:10,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:10,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:10,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:10,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:10,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:10,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:10,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:10,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:10,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:10,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:10,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:10,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:10,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:10,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:10,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:10,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:10,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:10,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:10,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:10,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332421551] [2020-09-24 15:42:10,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:10,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:10,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974642138] [2020-09-24 15:42:10,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:10,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:10,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:10,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:10,081 INFO L87 Difference]: Start difference. First operand 1077 states and 1242 transitions. Second operand 7 states. [2020-09-24 15:42:10,551 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:11,149 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:13,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:13,658 INFO L93 Difference]: Finished difference Result 3368 states and 4192 transitions. [2020-09-24 15:42:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:13,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-09-24 15:42:13,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:13,671 INFO L225 Difference]: With dead ends: 3368 [2020-09-24 15:42:13,672 INFO L226 Difference]: Without dead ends: 2401 [2020-09-24 15:42:13,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:13,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2020-09-24 15:42:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2023. [2020-09-24 15:42:13,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2023 states. [2020-09-24 15:42:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2356 transitions. [2020-09-24 15:42:13,942 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2356 transitions. Word has length 217 [2020-09-24 15:42:13,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:13,942 INFO L479 AbstractCegarLoop]: Abstraction has 2023 states and 2356 transitions. [2020-09-24 15:42:13,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:42:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2356 transitions. [2020-09-24 15:42:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:42:13,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:13,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:13,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:13,948 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:13,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:13,949 INFO L82 PathProgramCache]: Analyzing trace with hash 332409836, now seen corresponding path program 1 times [2020-09-24 15:42:13,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:13,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594208175] [2020-09-24 15:42:13,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:14,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:42:14,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:42:14,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:42:14,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:42:14,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:42:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:42:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,380 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:14,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:14,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:14,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:14,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:14,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:42:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:14,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:42:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:14,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:14,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:42:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:14,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:42:14,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 15:42:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:42:14,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:14,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:42:14,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:42:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:14,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:14,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:14,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:14,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:14,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:42:14,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:42:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:42:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:14,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:42:14,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:42:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:42:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:14,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:14,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:14,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:14,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:42:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:42:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:42:14,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:42:14,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594208175] [2020-09-24 15:42:14,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:42:14,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:42:14,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279646457] [2020-09-24 15:42:14,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:42:14,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:14,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:42:14,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:42:14,973 INFO L87 Difference]: Start difference. First operand 2023 states and 2356 transitions. Second operand 16 states. [2020-09-24 15:42:15,532 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:16,492 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:17,276 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:17,638 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:18,119 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:18,457 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:20,109 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:20,486 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:20,806 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:21,120 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:21,441 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:21,814 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:22,133 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:22,458 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:23,157 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:42:23,860 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-24 15:42:24,450 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-24 15:42:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:26,417 INFO L93 Difference]: Finished difference Result 4222 states and 5077 transitions. [2020-09-24 15:42:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:42:26,417 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 222 [2020-09-24 15:42:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:26,430 INFO L225 Difference]: With dead ends: 4222 [2020-09-24 15:42:26,430 INFO L226 Difference]: Without dead ends: 2309 [2020-09-24 15:42:26,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=470, Invalid=1692, Unknown=0, NotChecked=0, Total=2162 [2020-09-24 15:42:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2020-09-24 15:42:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 1951. [2020-09-24 15:42:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-09-24 15:42:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2246 transitions. [2020-09-24 15:42:26,800 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2246 transitions. Word has length 222 [2020-09-24 15:42:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:26,801 INFO L479 AbstractCegarLoop]: Abstraction has 1951 states and 2246 transitions. [2020-09-24 15:42:26,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:42:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2246 transitions. [2020-09-24 15:42:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-24 15:42:26,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:26,808 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:26,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:42:26,809 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:26,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:26,809 INFO L82 PathProgramCache]: Analyzing trace with hash -8783498, now seen corresponding path program 1 times [2020-09-24 15:42:26,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:26,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248410499] [2020-09-24 15:42:26,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-09-24 15:42:26,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:26,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-24 15:42:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,162 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:27,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:27,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:27,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:27,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:27,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:27,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:27,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:27,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:42:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:27,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:27,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:42:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:27,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:42:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 15:42:27,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:42:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 15:42:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:42:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:27,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:27,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:27,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:27,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:27,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:27,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:27,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 15:42:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:42:27,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:42:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:27,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:27,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:42:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:27,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:42:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 15:42:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:27,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:42:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 15:42:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:27,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:27,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-24 15:42:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:27,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:27,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:27,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-24 15:42:27,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248410499] [2020-09-24 15:42:27,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:27,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:27,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112809964] [2020-09-24 15:42:27,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:27,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:27,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:27,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:27,577 INFO L87 Difference]: Start difference. First operand 1951 states and 2246 transitions. Second operand 10 states. [2020-09-24 15:42:28,079 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:28,932 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186