/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_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:18,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:18,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:18,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:18,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:18,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:18,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:18,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:18,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:18,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:18,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:18,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:18,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:18,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:18,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:18,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:18,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:18,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:18,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:18,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:18,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:18,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:18,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:18,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:18,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:18,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:18,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:18,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:18,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:18,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:18,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:18,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:18,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:18,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:18,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:18,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:18,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:18,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:18,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:18,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:18,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:18,646 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 15:45:18,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:18,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:18,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:18,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:18,674 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:18,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:18,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:18,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:18,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:18,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:18,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:18,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:18,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:18,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:18,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:18,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:18,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:18,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:18,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:18,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:18,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:18,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:18,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:18,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:18,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:18,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:18,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:18,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:18,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:18,679 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 15:45:19,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:19,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:19,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:19,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:19,161 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:19,162 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-09-24 15:45:19,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4219677e3/9cfcd1b81fce47edabe1650887e4ddfa/FLAG56de16425 [2020-09-24 15:45:19,915 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:19,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-09-24 15:45:19,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4219677e3/9cfcd1b81fce47edabe1650887e4ddfa/FLAG56de16425 [2020-09-24 15:45:20,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4219677e3/9cfcd1b81fce47edabe1650887e4ddfa [2020-09-24 15:45:20,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:20,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:20,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:20,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:20,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:20,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:20" (1/1) ... [2020-09-24 15:45:20,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6317371b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:20, skipping insertion in model container [2020-09-24 15:45:20,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:20" (1/1) ... [2020-09-24 15:45:20,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:20,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:20,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:20,833 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:21,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:21,080 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:21,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21 WrapperNode [2020-09-24 15:45:21,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:21,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:21,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:21,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:21,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (1/1) ... [2020-09-24 15:45:21,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:21,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:21,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:21,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:21,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (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 15:45:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:45:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:45:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:45:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:45:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:22,579 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:22,579 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:22,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:22 BoogieIcfgContainer [2020-09-24 15:45:22,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:22,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:22,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:22,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:22,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:20" (1/3) ... [2020-09-24 15:45:22,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaa05eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:22, skipping insertion in model container [2020-09-24 15:45:22,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:21" (2/3) ... [2020-09-24 15:45:22,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaa05eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:22, skipping insertion in model container [2020-09-24 15:45:22,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:22" (3/3) ... [2020-09-24 15:45:22,596 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-09-24 15:45:22,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:22,619 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:22,641 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:22,670 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:22,670 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:22,670 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:22,670 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:22,670 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:22,671 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:22,671 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:22,671 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states. [2020-09-24 15:45:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:22,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:22,718 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] [2020-09-24 15:45:22,719 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:22,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:22,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1663481443, now seen corresponding path program 1 times [2020-09-24 15:45:22,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:22,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982594856] [2020-09-24 15:45:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:45:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:23,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,715 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:23,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:23,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:23,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:23,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:23,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:23,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:23,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:23,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:23,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:23,982 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 15:45:23,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982594856] [2020-09-24 15:45:23,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:23,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:45:23,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658326801] [2020-09-24 15:45:23,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:45:23,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:24,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:45:24,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:24,015 INFO L87 Difference]: Start difference. First operand 327 states. Second operand 4 states. [2020-09-24 15:45:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:25,340 INFO L93 Difference]: Finished difference Result 502 states and 591 transitions. [2020-09-24 15:45:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:25,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:25,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:25,376 INFO L225 Difference]: With dead ends: 502 [2020-09-24 15:45:25,376 INFO L226 Difference]: Without dead ends: 317 [2020-09-24 15:45:25,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-09-24 15:45:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 270. [2020-09-24 15:45:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-24 15:45:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 293 transitions. [2020-09-24 15:45:25,498 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 293 transitions. Word has length 148 [2020-09-24 15:45:25,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:25,499 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 293 transitions. [2020-09-24 15:45:25,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 293 transitions. [2020-09-24 15:45:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:25,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:25,509 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] [2020-09-24 15:45:25,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:25,509 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:25,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:25,510 INFO L82 PathProgramCache]: Analyzing trace with hash 195823383, now seen corresponding path program 1 times [2020-09-24 15:45:25,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:25,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765416636] [2020-09-24 15:45:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:25,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:25,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:25,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:25,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:25,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:25,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,000 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:26,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:26,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:26,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:26,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:26,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:26,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:26,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:26,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:26,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:26,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:26,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:26,174 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 15:45:26,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765416636] [2020-09-24 15:45:26,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:26,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:26,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274042736] [2020-09-24 15:45:26,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:26,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:26,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:26,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:26,180 INFO L87 Difference]: Start difference. First operand 270 states and 293 transitions. Second operand 5 states. [2020-09-24 15:45:26,874 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:28,039 INFO L93 Difference]: Finished difference Result 431 states and 486 transitions. [2020-09-24 15:45:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:28,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:28,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:28,045 INFO L225 Difference]: With dead ends: 431 [2020-09-24 15:45:28,046 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 15:45:28,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:28,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 15:45:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 260. [2020-09-24 15:45:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-24 15:45:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 280 transitions. [2020-09-24 15:45:28,100 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 280 transitions. Word has length 149 [2020-09-24 15:45:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:28,101 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 280 transitions. [2020-09-24 15:45:28,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 280 transitions. [2020-09-24 15:45:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:45:28,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:28,110 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] [2020-09-24 15:45:28,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:28,110 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:28,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:28,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1404119703, now seen corresponding path program 1 times [2020-09-24 15:45:28,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:28,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89538658] [2020-09-24 15:45:28,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:28,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:45:28,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:45:28,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:45:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:45:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,623 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:28,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:28,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:28,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:28,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:28,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:28,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:45:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,821 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 15:45:28,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89538658] [2020-09-24 15:45:28,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:28,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:28,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995442782] [2020-09-24 15:45:28,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:28,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:28,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:28,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:28,825 INFO L87 Difference]: Start difference. First operand 260 states and 280 transitions. Second operand 5 states. [2020-09-24 15:45:29,355 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:30,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:30,338 INFO L93 Difference]: Finished difference Result 451 states and 512 transitions. [2020-09-24 15:45:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:30,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:45:30,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:30,344 INFO L225 Difference]: With dead ends: 451 [2020-09-24 15:45:30,344 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 15:45:30,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 15:45:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 260. [2020-09-24 15:45:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-24 15:45:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 279 transitions. [2020-09-24 15:45:30,398 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 279 transitions. Word has length 158 [2020-09-24 15:45:30,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:30,399 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 279 transitions. [2020-09-24 15:45:30,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 279 transitions. [2020-09-24 15:45:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-24 15:45:30,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:30,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:30,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:30,403 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:30,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:30,403 INFO L82 PathProgramCache]: Analyzing trace with hash 588701941, now seen corresponding path program 1 times [2020-09-24 15:45:30,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:30,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730943981] [2020-09-24 15:45:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-24 15:45:30,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:45:30,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:45:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:45:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,928 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:30,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:30,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:30,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:31,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:31,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:31,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:31,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:31,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:31,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:31,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:45:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:45:31,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:31,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:45:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:31,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:31,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:31,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:31,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:31,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:31,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:45:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:31,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 15:45:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:31,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:31,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:31,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:31,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:31,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:31,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:31,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:31,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:31,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:31,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:31,360 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 15:45:31,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730943981] [2020-09-24 15:45:31,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:31,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:45:31,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926933417] [2020-09-24 15:45:31,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:45:31,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:31,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:45:31,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:31,365 INFO L87 Difference]: Start difference. First operand 260 states and 279 transitions. Second operand 7 states. [2020-09-24 15:45:31,995 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:33,602 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:34,504 INFO L93 Difference]: Finished difference Result 590 states and 679 transitions. [2020-09-24 15:45:34,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:34,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-09-24 15:45:34,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:34,510 INFO L225 Difference]: With dead ends: 590 [2020-09-24 15:45:34,510 INFO L226 Difference]: Without dead ends: 445 [2020-09-24 15:45:34,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:45:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-24 15:45:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 374. [2020-09-24 15:45:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-24 15:45:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 404 transitions. [2020-09-24 15:45:34,565 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 404 transitions. Word has length 171 [2020-09-24 15:45:34,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:34,566 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 404 transitions. [2020-09-24 15:45:34,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:45:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 404 transitions. [2020-09-24 15:45:34,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-24 15:45:34,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:34,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:34,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:34,569 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:34,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:34,570 INFO L82 PathProgramCache]: Analyzing trace with hash 52230436, now seen corresponding path program 1 times [2020-09-24 15:45:34,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:34,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234846993] [2020-09-24 15:45:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-24 15:45:34,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:45:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:45:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 15:45:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,161 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:35,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:35,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:35,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:45:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:45:35,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:35,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:35,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:45:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:45:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:35,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:35,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:35,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:45:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:35,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:45:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:35,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:35,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:35,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:35,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:35,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:35,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:35,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:35,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:35,463 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 15:45:35,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234846993] [2020-09-24 15:45:35,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:35,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:35,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468148137] [2020-09-24 15:45:35,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:35,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:35,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:35,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:35,467 INFO L87 Difference]: Start difference. First operand 374 states and 404 transitions. Second operand 10 states. [2020-09-24 15:45:36,190 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:37,713 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:38,022 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:38,365 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:38,704 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:39,001 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:39,373 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:39,714 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:40,171 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:41,610 INFO L93 Difference]: Finished difference Result 956 states and 1111 transitions. [2020-09-24 15:45:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:41,612 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-09-24 15:45:41,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:41,617 INFO L225 Difference]: With dead ends: 956 [2020-09-24 15:45:41,617 INFO L226 Difference]: Without dead ends: 697 [2020-09-24 15:45:41,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-09-24 15:45:41,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 587. [2020-09-24 15:45:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-09-24 15:45:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 639 transitions. [2020-09-24 15:45:41,700 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 639 transitions. Word has length 195 [2020-09-24 15:45:41,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:41,700 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 639 transitions. [2020-09-24 15:45:41,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 639 transitions. [2020-09-24 15:45:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 15:45:41,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:41,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:41,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:41,704 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:41,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:41,705 INFO L82 PathProgramCache]: Analyzing trace with hash 223725440, now seen corresponding path program 1 times [2020-09-24 15:45:41,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:41,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955274967] [2020-09-24 15:45:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 15:45:41,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:45:41,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:45:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-24 15:45:41,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,248 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:42,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:42,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:42,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:42,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:42,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:42,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:42,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:42,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:42,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:45:42,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:42,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:45:42,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:42,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:42,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:42,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:45:42,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:45:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:42,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:42,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:42,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:45:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:42,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:42,555 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 15:45:42,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955274967] [2020-09-24 15:45:42,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:42,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:42,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571305492] [2020-09-24 15:45:42,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:42,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:42,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:42,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:42,558 INFO L87 Difference]: Start difference. First operand 587 states and 639 transitions. Second operand 11 states. [2020-09-24 15:45:43,071 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:44,739 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:45,035 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:45,344 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:45,636 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:46,001 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:46,328 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:46,616 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:46,938 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:48,183 INFO L93 Difference]: Finished difference Result 1230 states and 1415 transitions. [2020-09-24 15:45:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:45:48,184 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2020-09-24 15:45:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:48,190 INFO L225 Difference]: With dead ends: 1230 [2020-09-24 15:45:48,191 INFO L226 Difference]: Without dead ends: 758 [2020-09-24 15:45:48,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:45:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-09-24 15:45:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 585. [2020-09-24 15:45:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-09-24 15:45:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 635 transitions. [2020-09-24 15:45:48,297 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 635 transitions. Word has length 200 [2020-09-24 15:45:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:48,298 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 635 transitions. [2020-09-24 15:45:48,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 635 transitions. [2020-09-24 15:45:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:48,301 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:48,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:48,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:48,302 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:48,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:48,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1175485565, now seen corresponding path program 1 times [2020-09-24 15:45:48,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:48,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040815275] [2020-09-24 15:45:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:48,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:48,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-24 15:45:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,653 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:48,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:48,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:48,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:48,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:48,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:48,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:48,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:48,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:48,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:48,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:45:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:48,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:48,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:48,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:48,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:48,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:48,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:48,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:48,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:48,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,984 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 15:45:48,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040815275] [2020-09-24 15:45:48,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:48,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:48,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335209159] [2020-09-24 15:45:48,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:48,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:48,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:48,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:48,995 INFO L87 Difference]: Start difference. First operand 585 states and 635 transitions. Second operand 11 states. [2020-09-24 15:45:50,602 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:50,880 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:51,172 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:51,474 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:51,787 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:52,074 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:53,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:53,318 INFO L93 Difference]: Finished difference Result 1238 states and 1429 transitions. [2020-09-24 15:45:53,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:53,319 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 201 [2020-09-24 15:45:53,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:53,324 INFO L225 Difference]: With dead ends: 1238 [2020-09-24 15:45:53,324 INFO L226 Difference]: Without dead ends: 768 [2020-09-24 15:45:53,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:45:53,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-24 15:45:53,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 601. [2020-09-24 15:45:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-09-24 15:45:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 651 transitions. [2020-09-24 15:45:53,446 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 651 transitions. Word has length 201 [2020-09-24 15:45:53,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:53,447 INFO L479 AbstractCegarLoop]: Abstraction has 601 states and 651 transitions. [2020-09-24 15:45:53,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 651 transitions. [2020-09-24 15:45:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:53,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:53,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:53,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:53,452 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:53,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:53,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1300689949, now seen corresponding path program 1 times [2020-09-24 15:45:53,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:53,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268837816] [2020-09-24 15:45:53,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:53,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -78 [2020-09-24 15:45:53,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 78 [2020-09-24 15:45:53,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:53,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:53,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-24 15:45:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,792 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:53,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:53,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:53,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:53,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:53,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:53,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:53,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:53,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:45:53,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:53,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:53,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:53,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:53,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:53,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:53,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:53,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:53,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:53,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:53,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:53,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:53,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:53,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:54,028 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 15:45:54,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268837816] [2020-09-24 15:45:54,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:54,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:54,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012901894] [2020-09-24 15:45:54,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:54,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:54,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:54,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:54,030 INFO L87 Difference]: Start difference. First operand 601 states and 651 transitions. Second operand 10 states. [2020-09-24 15:45:55,168 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:55,474 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:55,777 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:56,101 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:56,430 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:57,723 INFO L93 Difference]: Finished difference Result 1276 states and 1485 transitions. [2020-09-24 15:45:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:57,730 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-09-24 15:45:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:57,736 INFO L225 Difference]: With dead ends: 1276 [2020-09-24 15:45:57,736 INFO L226 Difference]: Without dead ends: 790 [2020-09-24 15:45:57,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:45:57,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-09-24 15:45:57,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 613. [2020-09-24 15:45:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-09-24 15:45:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 663 transitions. [2020-09-24 15:45:57,814 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 663 transitions. Word has length 201 [2020-09-24 15:45:57,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:57,815 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 663 transitions. [2020-09-24 15:45:57,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 663 transitions. [2020-09-24 15:45:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:57,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:57,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:57,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:57,820 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:57,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:57,820 INFO L82 PathProgramCache]: Analyzing trace with hash -610195808, now seen corresponding path program 1 times [2020-09-24 15:45:57,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:57,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416946882] [2020-09-24 15:45:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:57,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:57,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:57,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:57,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:57,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:57,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:57,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:45:57,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:45:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:45:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,204 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:58,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:58,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:58,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:45:58,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:58,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:58,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:58,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:58,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:58,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:58,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:58,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:58,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:58,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:58,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:58,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:58,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:45:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:45:58,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:58,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:58,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:58,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:58,549 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 15:45:58,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416946882] [2020-09-24 15:45:58,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:58,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:58,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484960703] [2020-09-24 15:45:58,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:58,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:58,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:58,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:58,551 INFO L87 Difference]: Start difference. First operand 613 states and 663 transitions. Second operand 8 states. [2020-09-24 15:45:59,065 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:59,729 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:02,530 INFO L93 Difference]: Finished difference Result 1757 states and 2098 transitions. [2020-09-24 15:46:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:46:02,531 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-09-24 15:46:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:02,539 INFO L225 Difference]: With dead ends: 1757 [2020-09-24 15:46:02,539 INFO L226 Difference]: Without dead ends: 1259 [2020-09-24 15:46:02,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:46:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2020-09-24 15:46:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1027. [2020-09-24 15:46:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2020-09-24 15:46:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1145 transitions. [2020-09-24 15:46:02,689 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1145 transitions. Word has length 201 [2020-09-24 15:46:02,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:02,690 INFO L479 AbstractCegarLoop]: Abstraction has 1027 states and 1145 transitions. [2020-09-24 15:46:02,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:46:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1145 transitions. [2020-09-24 15:46:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:46:02,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:02,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:02,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:46:02,697 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:02,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:02,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1512809020, now seen corresponding path program 1 times [2020-09-24 15:46:02,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:02,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109530414] [2020-09-24 15:46:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:46:02,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:46:02,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:46:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 15:46:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-24 15:46:02,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,182 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:03,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:03,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:03,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:03,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:03,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:03,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:03,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:03,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:03,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:03,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:03,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:03,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:03,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:03,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:03,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:46:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:03,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:03,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:46:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:03,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:03,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:03,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:03,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:03,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:46:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:03,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:03,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:03,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:46:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:03,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,414 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 15:46:03,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109530414] [2020-09-24 15:46:03,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:03,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:46:03,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778360848] [2020-09-24 15:46:03,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:46:03,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:03,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:46:03,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:46:03,416 INFO L87 Difference]: Start difference. First operand 1027 states and 1145 transitions. Second operand 8 states. [2020-09-24 15:46:03,991 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:06,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:06,596 INFO L93 Difference]: Finished difference Result 1981 states and 2363 transitions. [2020-09-24 15:46:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:46:06,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-09-24 15:46:06,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:06,607 INFO L225 Difference]: With dead ends: 1981 [2020-09-24 15:46:06,607 INFO L226 Difference]: Without dead ends: 1978 [2020-09-24 15:46:06,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=604, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:46:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-09-24 15:46:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1636. [2020-09-24 15:46:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2020-09-24 15:46:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 1845 transitions. [2020-09-24 15:46:06,820 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 1845 transitions. Word has length 206 [2020-09-24 15:46:06,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:06,820 INFO L479 AbstractCegarLoop]: Abstraction has 1636 states and 1845 transitions. [2020-09-24 15:46:06,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:46:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1845 transitions. [2020-09-24 15:46:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-09-24 15:46:06,826 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:06,827 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:06,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:46:06,827 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:06,828 INFO L82 PathProgramCache]: Analyzing trace with hash 202912904, now seen corresponding path program 1 times [2020-09-24 15:46:06,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:06,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270294644] [2020-09-24 15:46:06,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:06,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:06,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -105 [2020-09-24 15:46:06,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 105 [2020-09-24 15:46:06,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:06,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:46:06,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:46:06,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:06,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-09-24 15:46:06,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 15:46:06,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,262 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:07,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:07,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:07,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:07,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:07,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:07,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:07,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:07,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:07,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:46:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:46:07,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:07,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:46:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:07,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:46:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:07,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:46:07,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:07,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:07,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:07,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:07,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:07,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:07,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:46:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:46:07,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:46:07,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:46:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:46:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:07,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-24 15:46:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:07,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:07,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:07,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:07,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 15:46:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 15:46:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:07,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-24 15:46:07,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270294644] [2020-09-24 15:46:07,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:46:07,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:46:07,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945744093] [2020-09-24 15:46:07,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:46:07,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:07,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:46:07,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:46:07,668 INFO L87 Difference]: Start difference. First operand 1636 states and 1845 transitions. Second operand 10 states. [2020-09-24 15:46:09,137 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:10,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:10,379 INFO L93 Difference]: Finished difference Result 2914 states and 3398 transitions. [2020-09-24 15:46:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:46:10,379 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 290 [2020-09-24 15:46:10,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:10,394 INFO L225 Difference]: With dead ends: 2914 [2020-09-24 15:46:10,395 INFO L226 Difference]: Without dead ends: 1576 [2020-09-24 15:46:10,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:46:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-09-24 15:46:10,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1355. [2020-09-24 15:46:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2020-09-24 15:46:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1513 transitions. [2020-09-24 15:46:10,577 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1513 transitions. Word has length 290 [2020-09-24 15:46:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:10,578 INFO L479 AbstractCegarLoop]: Abstraction has 1355 states and 1513 transitions. [2020-09-24 15:46:10,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:46:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1513 transitions. [2020-09-24 15:46:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-09-24 15:46:10,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:10,584 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 15:46:10,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:46:10,584 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:10,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1074628321, now seen corresponding path program 1 times [2020-09-24 15:46:10,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:10,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555802237] [2020-09-24 15:46:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-24 15:46:10,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:46:10,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:46:10,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-24 15:46:10,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-24 15:46:10,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,035 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:11,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:11,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:11,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:11,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:11,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:11,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:11,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:11,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:46:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:46:11,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:46:11,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:11,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:11,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:46:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:46:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:11,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:11,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:11,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:11,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:11,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:46:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:46:11,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:46:11,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:11,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:46:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:11,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 15:46:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:11,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:11,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:46:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:11,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:46:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:46:11,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:11,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:46:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:46:11,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:46:11,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:11,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:46:11,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:11,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:11,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:11,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:11,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:11,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:46:11,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:46:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:11,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-09-24 15:46:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:11,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:11,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-24 15:46:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:11,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:11,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:11,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:11,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-24 15:46:11,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555802237] [2020-09-24 15:46:11,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:46:11,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:46:11,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516470343] [2020-09-24 15:46:11,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:46:11,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:11,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:46:11,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:46:11,770 INFO L87 Difference]: Start difference. First operand 1355 states and 1513 transitions. Second operand 16 states. [2020-09-24 15:46:12,571 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:13,557 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189