/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:10:20,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:10:21,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:10:21,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:10:21,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:10:21,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:10:21,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:10:21,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:10:21,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:10:21,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:10:21,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:10:21,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:10:21,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:10:21,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:10:21,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:10:21,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:10:21,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:10:21,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:10:21,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:10:21,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:10:21,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:10:21,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:10:21,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:10:21,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:10:21,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:10:21,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:10:21,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:10:21,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:10:21,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:10:21,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:10:21,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:10:21,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:10:21,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:10:21,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:10:21,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:10:21,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:10:21,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:10:21,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:10:21,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:10:21,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:10:21,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:10:21,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:10:21,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:10:21,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:10:21,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:10:21,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:10:21,106 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:10:21,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:10:21,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:10:21,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:10:21,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:10:21,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:10:21,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:10:21,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:10:21,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:10:21,110 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:10:21,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:10:21,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:10:21,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:10:21,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:10:21,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:10:21,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:10:21,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:10:21,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:21,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:10:21,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:10:21,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:10:21,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:10:21,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:10:21,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:10:21,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:10:21,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:10:21,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:10:21,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:10:21,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:10:21,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:10:21,610 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:10:21,612 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-09-21 11:10:21,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83993277/66942847263c477fb1fb4402ced76d0d/FLAGb6f45e805 [2020-09-21 11:10:22,309 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:10:22,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-09-21 11:10:22,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83993277/66942847263c477fb1fb4402ced76d0d/FLAGb6f45e805 [2020-09-21 11:10:22,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83993277/66942847263c477fb1fb4402ced76d0d [2020-09-21 11:10:22,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:10:22,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:10:22,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:22,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:10:22,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:10:22,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:22" (1/1) ... [2020-09-21 11:10:22,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:22, skipping insertion in model container [2020-09-21 11:10:22,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:22" (1/1) ... [2020-09-21 11:10:22,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:10:22,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:10:23,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:23,114 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:10:23,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:23,383 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:10:23,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23 WrapperNode [2020-09-21 11:10:23,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:23,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:10:23,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:10:23,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:10:23,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... [2020-09-21 11:10:23,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:10:23,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:10:23,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:10:23,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:10:23,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:10:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:10:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:10:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:10:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:10:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:10:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:10:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:10:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:10:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:10:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:10:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:10:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:10:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:10:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:10:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:10:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:10:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-21 11:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:10:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:10:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:10:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:10:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:10:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:10:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:10:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:10:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:10:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:10:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:10:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:10:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:10:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:10:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:10:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:10:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:10:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:10:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:10:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:10:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:10:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:10:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:10:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:10:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-21 11:10:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:10:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:10:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:10:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:10:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:10:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:10:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:10:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:10:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:10:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:10:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:10:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:10:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:10:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:10:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:10:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:10:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:10:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:10:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:10:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:10:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:10:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:10:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:10:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:10:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:10:24,645 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:10:24,645 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:10:24,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:24 BoogieIcfgContainer [2020-09-21 11:10:24,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:10:24,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:10:24,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:10:24,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:10:24,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:10:22" (1/3) ... [2020-09-21 11:10:24,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a93c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:24, skipping insertion in model container [2020-09-21 11:10:24,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:23" (2/3) ... [2020-09-21 11:10:24,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a93c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:24, skipping insertion in model container [2020-09-21 11:10:24,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:24" (3/3) ... [2020-09-21 11:10:24,661 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-09-21 11:10:24,673 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:10:24,684 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:10:24,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:10:24,740 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:10:24,740 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:10:24,740 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:10:24,740 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:10:24,741 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:10:24,741 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:10:24,741 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:10:24,741 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:10:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-09-21 11:10:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:10:24,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:24,781 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] [2020-09-21 11:10:24,782 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:24,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:24,790 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-09-21 11:10:24,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:24,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755662903] [2020-09-21 11:10:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:10:25,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:10:25,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:10:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:25,564 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:25,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:25,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:10:25,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:25,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:25,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:25,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:25,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:25,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:25,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:25,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:25,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:10:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:25,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:25,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:10:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:25,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:25,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:10:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:25,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:25,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:25,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:25,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:25,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:25,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:25,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:25,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:25,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755662903] [2020-09-21 11:10:25,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:25,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:10:25,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582488754] [2020-09-21 11:10:25,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:10:25,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:25,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:10:25,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:10:25,792 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-09-21 11:10:26,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:26,963 INFO L93 Difference]: Finished difference Result 287 states and 375 transitions. [2020-09-21 11:10:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:10:26,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-09-21 11:10:26,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:26,987 INFO L225 Difference]: With dead ends: 287 [2020-09-21 11:10:26,987 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 11:10:26,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:10:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 11:10:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-09-21 11:10:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-21 11:10:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-09-21 11:10:27,093 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-09-21 11:10:27,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:27,094 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-09-21 11:10:27,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:10:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-09-21 11:10:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-21 11:10:27,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:27,098 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] [2020-09-21 11:10:27,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:10:27,098 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:27,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:27,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-09-21 11:10:27,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:27,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754933820] [2020-09-21 11:10:27,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:10:27,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:10:27,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:10:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:10:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,550 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:27,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:27,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:27,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:27,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:27,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:10:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:27,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:10:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:27,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:27,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:27,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:27,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:27,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:27,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754933820] [2020-09-21 11:10:27,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:27,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:10:27,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540461241] [2020-09-21 11:10:27,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:10:27,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:27,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:10:27,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:10:27,649 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 4 states. [2020-09-21 11:10:28,115 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:29,002 INFO L93 Difference]: Finished difference Result 220 states and 266 transitions. [2020-09-21 11:10:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:10:29,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-09-21 11:10:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:29,006 INFO L225 Difference]: With dead ends: 220 [2020-09-21 11:10:29,006 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 11:10:29,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:10:29,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 11:10:29,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-09-21 11:10:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 11:10:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-09-21 11:10:29,047 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2020-09-21 11:10:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:29,047 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-09-21 11:10:29,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:10:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-09-21 11:10:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:10:29,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:29,050 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] [2020-09-21 11:10:29,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:10:29,050 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:29,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2020-09-21 11:10:29,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:29,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606646583] [2020-09-21 11:10:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:10:29,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:10:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:10:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:10:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,550 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:29,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:10:29,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:29,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:29,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:29,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:29,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:29,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:29,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:29,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:29,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:29,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:29,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:29,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:29,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:29,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:29,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:10:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:29,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:29,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:29,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:10:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:29,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:29,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:29,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:29,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:29,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:10:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:29,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:29,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:29,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:29,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:29,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:29,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:29,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:29,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:29,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606646583] [2020-09-21 11:10:29,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:29,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:10:29,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882495783] [2020-09-21 11:10:29,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:10:29,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:29,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:10:29,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:10:29,713 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 4 states. [2020-09-21 11:10:30,077 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:30,872 INFO L93 Difference]: Finished difference Result 229 states and 280 transitions. [2020-09-21 11:10:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:10:30,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-09-21 11:10:30,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:30,875 INFO L225 Difference]: With dead ends: 229 [2020-09-21 11:10:30,876 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 11:10:30,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:10:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 11:10:30,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-09-21 11:10:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 11:10:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-09-21 11:10:30,907 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2020-09-21 11:10:30,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:30,908 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-09-21 11:10:30,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:10:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-09-21 11:10:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:10:30,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:30,910 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] [2020-09-21 11:10:30,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:10:30,910 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:30,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:30,911 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-09-21 11:10:30,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:30,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85079568] [2020-09-21 11:10:30,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:10:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-09-21 11:10:31,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:10:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:10:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:31,720 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:31,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:31,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:10:31,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:31,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:31,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:31,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:31,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:31,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:31,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:31,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:31,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:31,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:10:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:10:31,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:31,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:10:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:10:31,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:31,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:31,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:10:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:31,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:31,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:31,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:10:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:10:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:31,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:31,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:31,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:31,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:31,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:31,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:31,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:31,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:31,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:31,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:31,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:31,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85079568] [2020-09-21 11:10:31,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:31,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:10:31,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56044239] [2020-09-21 11:10:31,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:10:31,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:31,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:10:31,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:10:31,988 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 7 states. [2020-09-21 11:10:32,418 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:33,794 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:10:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:34,500 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2020-09-21 11:10:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:10:34,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-09-21 11:10:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:34,504 INFO L225 Difference]: With dead ends: 324 [2020-09-21 11:10:34,505 INFO L226 Difference]: Without dead ends: 234 [2020-09-21 11:10:34,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:10:34,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-09-21 11:10:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 193. [2020-09-21 11:10:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-21 11:10:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2020-09-21 11:10:34,551 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2020-09-21 11:10:34,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:34,551 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2020-09-21 11:10:34,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:10:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2020-09-21 11:10:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:10:34,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:34,554 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] [2020-09-21 11:10:34,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:10:34,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:34,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:34,554 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2020-09-21 11:10:34,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:34,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236788535] [2020-09-21 11:10:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:10:35,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-09-21 11:10:35,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:10:35,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 11:10:35,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,450 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:35,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:10:35,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:35,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:35,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:35,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:35,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:35,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:35,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:35,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:35,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:35,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:10:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:10:35,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:35,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:10:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:35,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:35,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:35,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:35,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:35,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:35,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:35,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:35,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:10:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:35,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:35,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:10:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:35,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:35,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:35,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:35,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 11:10:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:35,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:35,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:35,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:35,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:35,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:35,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:35,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:35,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:35,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:35,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236788535] [2020-09-21 11:10:35,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:35,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:10:35,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129733083] [2020-09-21 11:10:35,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:10:35,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:35,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:10:35,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:10:35,723 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2020-09-21 11:10:36,285 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:37,826 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:38,166 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:38,466 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:38,747 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:39,475 INFO L93 Difference]: Finished difference Result 528 states and 662 transitions. [2020-09-21 11:10:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:10:39,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-09-21 11:10:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:39,480 INFO L225 Difference]: With dead ends: 528 [2020-09-21 11:10:39,480 INFO L226 Difference]: Without dead ends: 359 [2020-09-21 11:10:39,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:10:39,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-09-21 11:10:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 319. [2020-09-21 11:10:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 11:10:39,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 373 transitions. [2020-09-21 11:10:39,546 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 373 transitions. Word has length 79 [2020-09-21 11:10:39,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:39,547 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 373 transitions. [2020-09-21 11:10:39,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:10:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 373 transitions. [2020-09-21 11:10:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:10:39,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:39,550 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] [2020-09-21 11:10:39,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:10:39,550 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:39,550 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2020-09-21 11:10:39,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:39,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861594804] [2020-09-21 11:10:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:39,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:39,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:39,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:39,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:39,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:10:39,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:39,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-09-21 11:10:39,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:10:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:10:39,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,259 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:40,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:10:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:40,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:40,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:10:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:10:40,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:10:40,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:10:40,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:10:40,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:10:40,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:40,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:10:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:10:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:10:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:40,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:40,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:10:40,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:40,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:40,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:10:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:40,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:10:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:10:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:40,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861594804] [2020-09-21 11:10:40,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:40,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:10:40,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791668228] [2020-09-21 11:10:40,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:10:40,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:40,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:10:40,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:10:40,527 INFO L87 Difference]: Start difference. First operand 319 states and 373 transitions. Second operand 9 states. [2020-09-21 11:10:41,060 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:41,678 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:43,313 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:44,471 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-21 11:10:45,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:45,789 INFO L93 Difference]: Finished difference Result 784 states and 979 transitions. [2020-09-21 11:10:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:10:45,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-09-21 11:10:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:45,796 INFO L225 Difference]: With dead ends: 784 [2020-09-21 11:10:45,796 INFO L226 Difference]: Without dead ends: 604 [2020-09-21 11:10:45,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:10:45,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-09-21 11:10:45,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 559. [2020-09-21 11:10:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-09-21 11:10:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 670 transitions. [2020-09-21 11:10:45,923 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 670 transitions. Word has length 83 [2020-09-21 11:10:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:45,923 INFO L479 AbstractCegarLoop]: Abstraction has 559 states and 670 transitions. [2020-09-21 11:10:45,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:10:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 670 transitions. [2020-09-21 11:10:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:10:45,925 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:45,925 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] [2020-09-21 11:10:45,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:10:45,926 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:45,926 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-09-21 11:10:45,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:45,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1436240578] [2020-09-21 11:10:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:45,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:45,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:45,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:45,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:45,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:10:45,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:45,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:45,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-21 11:10:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:45,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,257 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:46,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:46,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:46,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:46,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:46,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:46,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:46,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:10:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:46,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:10:46,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:46,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:10:46,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:46,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:46,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:46,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:10:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:46,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:46,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:10:46,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:46,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:46,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:46,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:10:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:10:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:46,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:10:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:46,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:10:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:46,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:46,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:46,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:46,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:46,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:46,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:46,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:46,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1436240578] [2020-09-21 11:10:46,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:46,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:10:46,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265783496] [2020-09-21 11:10:46,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:10:46,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:46,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:10:46,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:10:46,432 INFO L87 Difference]: Start difference. First operand 559 states and 670 transitions. Second operand 8 states. [2020-09-21 11:10:47,446 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:47,741 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:48,067 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:49,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:49,128 INFO L93 Difference]: Finished difference Result 1017 states and 1259 transitions. [2020-09-21 11:10:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:10:49,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-09-21 11:10:49,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:49,135 INFO L225 Difference]: With dead ends: 1017 [2020-09-21 11:10:49,135 INFO L226 Difference]: Without dead ends: 601 [2020-09-21 11:10:49,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:10:49,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-09-21 11:10:49,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 559. [2020-09-21 11:10:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-09-21 11:10:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 669 transitions. [2020-09-21 11:10:49,241 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 669 transitions. Word has length 83 [2020-09-21 11:10:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:49,241 INFO L479 AbstractCegarLoop]: Abstraction has 559 states and 669 transitions. [2020-09-21 11:10:49,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:10:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 669 transitions. [2020-09-21 11:10:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:10:49,243 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:49,243 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] [2020-09-21 11:10:49,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:10:49,244 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:49,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:49,244 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-09-21 11:10:49,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:49,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883069370] [2020-09-21 11:10:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:10:49,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -53 [2020-09-21 11:10:49,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 53 [2020-09-21 11:10:49,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:10:49,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:10:49,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:10:49,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-21 11:10:49,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:10:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,580 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:49,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:49,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:49,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:49,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:49,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:49,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:49,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:10:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:49,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:10:49,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:10:49,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:10:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:10:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:10:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:49,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:49,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:10:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:10:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:10:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:10:49,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:10:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:49,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:49,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:10:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:49,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:49,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:49,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:49,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:49,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883069370] [2020-09-21 11:10:49,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:49,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:10:49,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983652457] [2020-09-21 11:10:49,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:10:49,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:49,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:10:49,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:10:49,779 INFO L87 Difference]: Start difference. First operand 559 states and 669 transitions. Second operand 9 states. [2020-09-21 11:10:50,877 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:51,162 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:10:51,484 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:51,784 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:52,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:52,877 INFO L93 Difference]: Finished difference Result 1147 states and 1418 transitions. [2020-09-21 11:10:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:10:52,877 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-09-21 11:10:52,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:52,882 INFO L225 Difference]: With dead ends: 1147 [2020-09-21 11:10:52,882 INFO L226 Difference]: Without dead ends: 612 [2020-09-21 11:10:52,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:10:52,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-09-21 11:10:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 566. [2020-09-21 11:10:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-21 11:10:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 676 transitions. [2020-09-21 11:10:53,014 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 676 transitions. Word has length 83 [2020-09-21 11:10:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:53,014 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 676 transitions. [2020-09-21 11:10:53,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:10:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 676 transitions. [2020-09-21 11:10:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-09-21 11:10:53,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:53,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:53,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:10:53,017 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:53,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:53,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-09-21 11:10:53,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:53,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428246996] [2020-09-21 11:10:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-21 11:10:53,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-09-21 11:10:53,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:10:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-21 11:10:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:53,779 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:10:53,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:10:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:10:53,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:10:53,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:10:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:10:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:10:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:53,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:53,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:53,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:54,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:54,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:54,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:54,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:54,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:10:54,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:54,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:10:54,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:10:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:10:54,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:54,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:54,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:54,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:54,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:54,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:54,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:10:54,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:54,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:10:54,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:10:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:10:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:54,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:54,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:54,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:54,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:54,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:54,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:10:54,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:10:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:54,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:10:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:54,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:54,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:54,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:54,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:54,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:54,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:54,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:54,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:10:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:54,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:54,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:54,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:54,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:54,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:54,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:54,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:54,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:10:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:54,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:54,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:54,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:54,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:54,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:54,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:54,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:10:54,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428246996] [2020-09-21 11:10:54,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:10:54,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:10:54,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090304368] [2020-09-21 11:10:54,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:10:54,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:54,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:10:54,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:10:54,152 INFO L87 Difference]: Start difference. First operand 566 states and 676 transitions. Second operand 12 states. [2020-09-21 11:10:55,051 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:55,825 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:56,788 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:57,103 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:57,399 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:57,686 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:10:58,015 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:58,318 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:10:58,615 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:58,921 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:10:59,281 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:10:59,609 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:01,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:01,519 INFO L93 Difference]: Finished difference Result 1558 states and 1954 transitions. [2020-09-21 11:11:01,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:11:01,520 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-09-21 11:11:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:01,526 INFO L225 Difference]: With dead ends: 1558 [2020-09-21 11:11:01,527 INFO L226 Difference]: Without dead ends: 1016 [2020-09-21 11:11:01,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:11:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2020-09-21 11:11:01,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 958. [2020-09-21 11:11:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-09-21 11:11:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1128 transitions. [2020-09-21 11:11:01,701 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1128 transitions. Word has length 95 [2020-09-21 11:11:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:01,702 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1128 transitions. [2020-09-21 11:11:01,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:11:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1128 transitions. [2020-09-21 11:11:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:11:01,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:01,704 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:01,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:11:01,705 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:01,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:01,705 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2020-09-21 11:11:01,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:01,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999972640] [2020-09-21 11:11:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:01,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:11:01,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:11:01,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:11:01,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:01,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:11:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:11:01,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,078 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:02,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:02,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:02,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:02,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:02,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:02,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:11:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:02,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:11:02,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:02,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:11:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:02,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:02,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:11:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:11:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:11:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:02,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:11:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:02,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:11:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:02,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:11:02,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999972640] [2020-09-21 11:11:02,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:02,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:02,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311148500] [2020-09-21 11:11:02,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:02,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:02,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:02,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:02,285 INFO L87 Difference]: Start difference. First operand 958 states and 1128 transitions. Second operand 10 states. [2020-09-21 11:11:03,244 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:03,949 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:04,344 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:05,555 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:05,873 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:06,848 INFO L93 Difference]: Finished difference Result 1974 states and 2436 transitions. [2020-09-21 11:11:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 11:11:06,849 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-09-21 11:11:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:06,856 INFO L225 Difference]: With dead ends: 1974 [2020-09-21 11:11:06,856 INFO L226 Difference]: Without dead ends: 1040 [2020-09-21 11:11:06,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:11:06,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-09-21 11:11:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 892. [2020-09-21 11:11:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2020-09-21 11:11:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1046 transitions. [2020-09-21 11:11:07,039 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1046 transitions. Word has length 99 [2020-09-21 11:11:07,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:07,041 INFO L479 AbstractCegarLoop]: Abstraction has 892 states and 1046 transitions. [2020-09-21 11:11:07,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1046 transitions. [2020-09-21 11:11:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:11:07,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:07,044 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:07,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:11:07,045 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:07,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:07,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2020-09-21 11:11:07,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:07,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037621470] [2020-09-21 11:11:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:07,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -81 [2020-09-21 11:11:07,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 81 [2020-09-21 11:11:07,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:11:07,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:07,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-09-21 11:11:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:11:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:07,476 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:07,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:07,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:07,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:07,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:11:07,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:07,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:11:07,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:07,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:07,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:11:07,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:11:07,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:11:07,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:11:07,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:07,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:11:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:11:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:11:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:07,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:07,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:11:07,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037621470] [2020-09-21 11:11:07,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:07,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:11:07,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717165297] [2020-09-21 11:11:07,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:11:07,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:07,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:11:07,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:07,739 INFO L87 Difference]: Start difference. First operand 892 states and 1046 transitions. Second operand 9 states. [2020-09-21 11:11:09,249 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:09,783 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:10,167 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:10,503 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:11,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:11,243 INFO L93 Difference]: Finished difference Result 1553 states and 1823 transitions. [2020-09-21 11:11:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:11,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-09-21 11:11:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:11,245 INFO L225 Difference]: With dead ends: 1553 [2020-09-21 11:11:11,245 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:11,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:11:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:11,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-09-21 11:11:11,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:11,251 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:11,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:11:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:11,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:11,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:11:11,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:11,488 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:11,666 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:11:11,855 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:11:12,034 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:11:12,250 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:11:12,617 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:11:12,786 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:12,956 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:11:13,119 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:11:13,281 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:11:13,451 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:11:13,810 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-21 11:11:13,978 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:11:14,142 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:11:16,306 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 284 DAG size of output: 254 [2020-09-21 11:11:16,476 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:11:16,638 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:16,814 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:11:16,980 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192