/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:48:01,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:48:01,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:48:02,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:48:02,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:48:02,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:48:02,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:48:02,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:48:02,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:48:02,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:48:02,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:48:02,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:48:02,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:48:02,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:48:02,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:48:02,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:48:02,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:48:02,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:48:02,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:48:02,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:48:02,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:48:02,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:48:02,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:48:02,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:48:02,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:48:02,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:48:02,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:48:02,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:48:02,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:48:02,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:48:02,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:48:02,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:48:02,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:48:02,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:48:02,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:48:02,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:48:02,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:48:02,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:48:02,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:48:02,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:48:02,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:48:02,094 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 [2020-10-15 01:48:02,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:48:02,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:48:02,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:48:02,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:48:02,134 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:48:02,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:48:02,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:48:02,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:48:02,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:48:02,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:48:02,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:48:02,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:48:02,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:48:02,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:48:02,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:48:02,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:48:02,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:48:02,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:48:02,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:48:02,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:48:02,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:48:02,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:48:02,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:48:02,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:48:02,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:48:02,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:48:02,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:48:02,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:48:02,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:48:02,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements 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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:48:02,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:48:02,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:48:02,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:48:02,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:48:02,478 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:48:02,479 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-10-15 01:48:02,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/966c4f3f3/b6cd4523e57c4603ae350365d574ec8e/FLAGd0b729d55 [2020-10-15 01:48:03,083 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:48:03,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-10-15 01:48:03,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/966c4f3f3/b6cd4523e57c4603ae350365d574ec8e/FLAGd0b729d55 [2020-10-15 01:48:03,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/966c4f3f3/b6cd4523e57c4603ae350365d574ec8e [2020-10-15 01:48:03,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:48:03,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:48:03,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:48:03,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:48:03,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:48:03,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:48:03" (1/1) ... [2020-10-15 01:48:03,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450f2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:03, skipping insertion in model container [2020-10-15 01:48:03,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:48:03" (1/1) ... [2020-10-15 01:48:03,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:48:03,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:48:03,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:48:03,873 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:48:03,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:48:04,004 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:48:04,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04 WrapperNode [2020-10-15 01:48:04,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:48:04,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:48:04,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:48:04,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:48:04,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (1/1) ... [2020-10-15 01:48:04,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:48:04,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:48:04,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:48:04,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:48:04,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (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 [2020-10-15 01:48:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:48:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:48:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:48:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:48:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:48:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:48:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:48:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:48:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:48:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:48:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:48:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:48:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:48:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:48:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:48:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:48:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:48:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:48:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:48:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:48:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:48:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:48:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:48:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:48:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:48:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:48:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:48:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:48:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:48:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:48:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:48:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:48:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:48:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:48:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:48:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:48:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:48:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:48:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:48:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:48:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:48:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:48:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:48:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:48:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:48:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:48:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:48:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:48:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:48:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:48:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:48:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:48:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:48:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:48:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:48:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:48:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:48:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:48:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:48:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:48:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:48:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:48:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:48:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:48:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:48:05,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:48:05,366 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:48:05,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:48:05 BoogieIcfgContainer [2020-10-15 01:48:05,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:48:05,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:48:05,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:48:05,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:48:05,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:48:03" (1/3) ... [2020-10-15 01:48:05,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1fbea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:48:05, skipping insertion in model container [2020-10-15 01:48:05,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:48:04" (2/3) ... [2020-10-15 01:48:05,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1fbea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:48:05, skipping insertion in model container [2020-10-15 01:48:05,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:48:05" (3/3) ... [2020-10-15 01:48:05,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2020-10-15 01:48:05,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:48:05,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:48:05,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:48:05,448 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:48:05,449 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:48:05,449 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:48:05,449 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:48:05,449 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:48:05,449 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:48:05,450 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:48:05,450 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:48:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-10-15 01:48:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 01:48:05,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:05,481 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] [2020-10-15 01:48:05,482 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:05,488 INFO L82 PathProgramCache]: Analyzing trace with hash 104665002, now seen corresponding path program 1 times [2020-10-15 01:48:05,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:05,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912708982] [2020-10-15 01:48:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:05,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:06,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:10,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:10,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:48:10,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:48:10,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4731 [2020-10-15 01:48:10,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:10,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:48:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:10,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:48:10,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:48:10,978 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:11,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 01:48:11,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:11,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:11,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:11,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:11,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:11,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:11,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:11,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:11,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:11,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:11,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:11,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:11,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:11,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:48:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:11,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:11,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:48:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:11,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:11,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:11,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:11,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:11,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912708982] [2020-10-15 01:48:11,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:11,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:48:11,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847451085] [2020-10-15 01:48:11,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:48:11,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:11,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:48:11,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:48:11,235 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 7 states. [2020-10-15 01:48:11,681 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:12,497 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:12,864 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:13,252 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:13,574 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:15,203 INFO L93 Difference]: Finished difference Result 420 states and 560 transitions. [2020-10-15 01:48:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:48:15,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-15 01:48:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:15,224 INFO L225 Difference]: With dead ends: 420 [2020-10-15 01:48:15,225 INFO L226 Difference]: Without dead ends: 269 [2020-10-15 01:48:15,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:48:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-15 01:48:15,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 234. [2020-10-15 01:48:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-15 01:48:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions. [2020-10-15 01:48:15,345 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 46 [2020-10-15 01:48:15,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:15,346 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 281 transitions. [2020-10-15 01:48:15,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:48:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions. [2020-10-15 01:48:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-15 01:48:15,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:15,351 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] [2020-10-15 01:48:15,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:48:15,351 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:15,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:15,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1182076022, now seen corresponding path program 1 times [2020-10-15 01:48:15,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:15,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795090850] [2020-10-15 01:48:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:16,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:17,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 01:48:18,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2699 [2020-10-15 01:48:18,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:48:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 01:48:18,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,390 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:18,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-15 01:48:18,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:18,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:18,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:18,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:18,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:18,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:18,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:18,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:18,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:18,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:18,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:18,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:18,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:18,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:48:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:18,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:18,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:18,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 01:48:18,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 01:48:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:18,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:18,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:18,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:18,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:18,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:18,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:18,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795090850] [2020-10-15 01:48:18,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:18,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:48:18,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299209513] [2020-10-15 01:48:18,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:48:18,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:18,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:48:18,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:48:18,635 INFO L87 Difference]: Start difference. First operand 234 states and 281 transitions. Second operand 8 states. [2020-10-15 01:48:19,275 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:20,281 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:20,593 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:20,925 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:21,528 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:21,833 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:22,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:22,835 INFO L93 Difference]: Finished difference Result 599 states and 805 transitions. [2020-10-15 01:48:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:48:22,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-15 01:48:22,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:22,844 INFO L225 Difference]: With dead ends: 599 [2020-10-15 01:48:22,845 INFO L226 Difference]: Without dead ends: 389 [2020-10-15 01:48:22,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:48:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-10-15 01:48:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 341. [2020-10-15 01:48:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-15 01:48:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 431 transitions. [2020-10-15 01:48:22,938 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 431 transitions. Word has length 55 [2020-10-15 01:48:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:22,939 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 431 transitions. [2020-10-15 01:48:22,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:48:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 431 transitions. [2020-10-15 01:48:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-15 01:48:22,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:22,946 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:22,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:48:22,946 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:22,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:22,947 INFO L82 PathProgramCache]: Analyzing trace with hash 157012268, now seen corresponding path program 1 times [2020-10-15 01:48:22,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:22,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485587711] [2020-10-15 01:48:22,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:23,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:23,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 01:48:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:48:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 01:48:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:48:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 01:48:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,440 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:28,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 01:48:28,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:28,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:28,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:28,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:28,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:28,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:48:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:48:28,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:48:28,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 01:48:28,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:28,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:48:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:28,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 01:48:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:28,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 01:48:28,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:48:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 01:48:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:28,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:48:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:28,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:28,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:48:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:48:28,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:48:28,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:48:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 01:48:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:28,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 01:48:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:28,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:28,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:28,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:28,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:28,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 01:48:28,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485587711] [2020-10-15 01:48:28,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:28,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:48:28,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519122637] [2020-10-15 01:48:28,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:48:28,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:28,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:48:28,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:48:28,829 INFO L87 Difference]: Start difference. First operand 341 states and 431 transitions. Second operand 10 states. [2020-10-15 01:48:29,263 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:29,938 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:31,652 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:34,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:34,633 INFO L93 Difference]: Finished difference Result 968 states and 1469 transitions. [2020-10-15 01:48:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:48:34,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-10-15 01:48:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:34,651 INFO L225 Difference]: With dead ends: 968 [2020-10-15 01:48:34,651 INFO L226 Difference]: Without dead ends: 786 [2020-10-15 01:48:34,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=122, Invalid=430, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:48:34,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-15 01:48:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 634. [2020-10-15 01:48:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-15 01:48:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 861 transitions. [2020-10-15 01:48:34,842 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 861 transitions. Word has length 112 [2020-10-15 01:48:34,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:34,845 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 861 transitions. [2020-10-15 01:48:34,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:48:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 861 transitions. [2020-10-15 01:48:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-15 01:48:34,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:34,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:34,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:48:34,852 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:34,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:34,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1489769080, now seen corresponding path program 1 times [2020-10-15 01:48:34,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:34,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776644204] [2020-10-15 01:48:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:35,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:39,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:39,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 01:48:39,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-15 01:48:39,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:39,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 01:48:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-15 01:48:39,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,223 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 01:48:40,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:40,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:40,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:40,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:40,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:40,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:40,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:40,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:40,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:40,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:40,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:40,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:48:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:40,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-15 01:48:40,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:48:40,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:40,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:40,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:48:40,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:48:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:40,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:48:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:48:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:40,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:40,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:40,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:40,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:40,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:40,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-15 01:48:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:40,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:40,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 01:48:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:40,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:40,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:40,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:40,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:40,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:40,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:40,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776644204] [2020-10-15 01:48:40,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:40,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 01:48:40,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52934926] [2020-10-15 01:48:40,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 01:48:40,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:40,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 01:48:40,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-15 01:48:40,704 INFO L87 Difference]: Start difference. First operand 634 states and 861 transitions. Second operand 14 states. [2020-10-15 01:48:41,221 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:41,986 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:42,274 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:42,644 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:42,987 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:43,465 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:43,754 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:44,119 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:44,429 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:44,762 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:45,114 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:45,438 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:48:46,762 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:47,194 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:47,605 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:49,585 INFO L93 Difference]: Finished difference Result 1250 states and 1859 transitions. [2020-10-15 01:48:49,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-15 01:48:49,586 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 93 [2020-10-15 01:48:49,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:49,593 INFO L225 Difference]: With dead ends: 1250 [2020-10-15 01:48:49,594 INFO L226 Difference]: Without dead ends: 782 [2020-10-15 01:48:49,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=237, Invalid=1169, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 01:48:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-10-15 01:48:49,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 622. [2020-10-15 01:48:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-15 01:48:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 845 transitions. [2020-10-15 01:48:49,724 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 845 transitions. Word has length 93 [2020-10-15 01:48:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:49,724 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 845 transitions. [2020-10-15 01:48:49,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 01:48:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 845 transitions. [2020-10-15 01:48:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-15 01:48:49,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:49,735 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:49,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:48:49,736 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:49,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1253167426, now seen corresponding path program 1 times [2020-10-15 01:48:49,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:49,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120295315] [2020-10-15 01:48:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:49,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:49,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:49,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:53,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:53,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 01:48:53,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:48:53,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3750 [2020-10-15 01:48:53,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:53,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:53,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:48:53,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:53,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 01:48:53,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:53,828 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:53,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:53,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-15 01:48:53,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:53,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:53,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:53,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:53,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:53,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:53,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:53,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:53,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:53,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:53,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:53,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:53,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:53,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:53,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:53,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:53,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:53,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:53,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:53,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:53,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:53,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:53,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:53,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:53,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:53,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:53,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:48:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:48:54,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 01:48:54,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:48:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:54,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 01:48:54,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:48:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:48:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:54,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:48:54,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:48:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:54,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:54,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:54,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:48:54,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:54,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:48:54,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:54,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:54,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:54,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:54,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:54,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:48:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:54,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:54,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:54,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:54,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:54,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 01:48:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:54,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:54,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:54,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 01:48:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:54,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:54,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:54,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 01:48:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:54,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:54,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:54,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:54,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:54,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:54,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:54,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:54,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:54,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:54,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:54,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:48:54,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120295315] [2020-10-15 01:48:54,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:54,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:48:54,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13133265] [2020-10-15 01:48:54,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:48:54,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:54,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:48:54,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:48:54,295 INFO L87 Difference]: Start difference. First operand 622 states and 845 transitions. Second operand 11 states. [2020-10-15 01:48:54,759 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:55,673 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:55,975 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:48:56,294 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:56,610 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:57,018 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:57,363 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:57,675 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:57,996 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:00,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:00,301 INFO L93 Difference]: Finished difference Result 2013 states and 3093 transitions. [2020-10-15 01:49:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 01:49:00,302 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-10-15 01:49:00,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:00,316 INFO L225 Difference]: With dead ends: 2013 [2020-10-15 01:49:00,316 INFO L226 Difference]: Without dead ends: 1415 [2020-10-15 01:49:00,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2020-10-15 01:49:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-10-15 01:49:00,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1148. [2020-10-15 01:49:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1148 states. [2020-10-15 01:49:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1563 transitions. [2020-10-15 01:49:00,528 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1563 transitions. Word has length 112 [2020-10-15 01:49:00,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:00,529 INFO L479 AbstractCegarLoop]: Abstraction has 1148 states and 1563 transitions. [2020-10-15 01:49:00,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:49:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1563 transitions. [2020-10-15 01:49:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 01:49:00,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:00,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:00,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:49:00,534 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:00,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1840345369, now seen corresponding path program 1 times [2020-10-15 01:49:00,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:00,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418441812] [2020-10-15 01:49:00,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:00,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-15 01:49:01,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:49:01,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 602 [2020-10-15 01:49:01,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-15 01:49:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 01:49:01,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:01,496 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 01:49:01,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:49:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:49:01,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:01,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-15 01:49:01,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:01,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:49:01,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:01,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:01,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:49:01,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:49:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:01,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:01,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:49:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:49:01,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:01,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:01,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:01,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:49:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:01,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:01,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:49:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:01,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:01,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:01,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:01,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 01:49:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:01,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:01,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 01:49:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:49:01,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:49:01,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:01,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 01:49:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:01,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-15 01:49:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:01,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:01,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:01,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:49:02,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418441812] [2020-10-15 01:49:02,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:02,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:49:02,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693453749] [2020-10-15 01:49:02,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:49:02,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:02,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:49:02,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:49:02,005 INFO L87 Difference]: Start difference. First operand 1148 states and 1563 transitions. Second operand 10 states. [2020-10-15 01:49:02,638 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:03,227 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:03,503 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:03,777 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:04,733 INFO L93 Difference]: Finished difference Result 1976 states and 2690 transitions. [2020-10-15 01:49:04,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:49:04,734 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-10-15 01:49:04,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:04,740 INFO L225 Difference]: With dead ends: 1976 [2020-10-15 01:49:04,741 INFO L226 Difference]: Without dead ends: 852 [2020-10-15 01:49:04,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:49:04,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-15 01:49:04,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 814. [2020-10-15 01:49:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-10-15 01:49:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1004 transitions. [2020-10-15 01:49:04,860 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1004 transitions. Word has length 120 [2020-10-15 01:49:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:04,860 INFO L479 AbstractCegarLoop]: Abstraction has 814 states and 1004 transitions. [2020-10-15 01:49:04,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:49:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1004 transitions. [2020-10-15 01:49:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-15 01:49:04,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:04,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:04,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:49:04,864 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:04,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:04,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1669815586, now seen corresponding path program 1 times [2020-10-15 01:49:04,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:04,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282315648] [2020-10-15 01:49:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:04,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:04,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:05,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:05,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:06,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:06,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 01:49:06,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:49:06,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1676 [2020-10-15 01:49:06,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:06,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:06,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:49:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-15 01:49:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:06,946 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:06,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 01:49:07,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:49:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:07,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:07,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:07,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:49:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:49:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:07,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:49:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:49:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:07,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:49:07,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:49:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:49:07,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:07,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 01:49:07,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 01:49:07,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:49:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:49:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:07,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:49:07,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:07,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:07,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:49:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 01:49:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:49:07,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:49:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:49:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:49:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-15 01:49:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:49:07,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:49:07,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:07,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:07,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 01:49:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:07,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:07,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:07,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:07,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:07,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:07,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:07,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 01:49:07,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282315648] [2020-10-15 01:49:07,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:07,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 01:49:07,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132285026] [2020-10-15 01:49:07,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 01:49:07,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:07,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 01:49:07,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:49:07,519 INFO L87 Difference]: Start difference. First operand 814 states and 1004 transitions. Second operand 16 states. [2020-10-15 01:49:08,327 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:09,082 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:09,748 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:10,084 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:10,379 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:10,705 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:11,050 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:49:11,333 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:49:12,536 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:12,964 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:13,282 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:13,565 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:49:14,420 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:49:15,536 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-10-15 01:49:16,218 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-15 01:49:17,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:17,682 INFO L93 Difference]: Finished difference Result 2229 states and 3040 transitions. [2020-10-15 01:49:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 01:49:17,683 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 126 [2020-10-15 01:49:17,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:17,693 INFO L225 Difference]: With dead ends: 2229 [2020-10-15 01:49:17,693 INFO L226 Difference]: Without dead ends: 1552 [2020-10-15 01:49:17,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=611, Invalid=1939, Unknown=0, NotChecked=0, Total=2550 [2020-10-15 01:49:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-10-15 01:49:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1271. [2020-10-15 01:49:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-10-15 01:49:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1574 transitions. [2020-10-15 01:49:17,904 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1574 transitions. Word has length 126 [2020-10-15 01:49:17,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:17,904 INFO L479 AbstractCegarLoop]: Abstraction has 1271 states and 1574 transitions. [2020-10-15 01:49:17,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 01:49:17,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1574 transitions. [2020-10-15 01:49:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-15 01:49:17,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:17,909 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:17,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:49:17,909 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:17,909 INFO L82 PathProgramCache]: Analyzing trace with hash 769460895, now seen corresponding path program 2 times [2020-10-15 01:49:17,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:17,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245669222] [2020-10-15 01:49:17,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:17,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-15 01:49:18,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:49:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-15 01:49:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-15 01:49:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-15 01:49:18,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,649 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:49:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:49:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 01:49:18,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:18,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:49:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:18,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:18,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:49:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:49:18,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:49:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:49:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:18,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:49:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:49:18,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:49:18,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:49:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:49:18,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:49:18,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:49:18,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:49:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:49:18,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:18,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:49:18,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:49:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:18,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:49:18,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:49:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:49:18,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:49:18,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:49:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:49:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:49:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:18,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:49:18,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:49:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 01:49:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:49:18,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:49:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:49:18,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:49:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:18,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:18,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:49:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:49:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:49:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:18,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:49:18,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 01:49:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:49:18,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:49:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:49:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:49:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 01:49:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:18,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:18,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 01:49:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:49:18,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:49:18,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:49:18,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:49:18,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:49:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:49:18,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:49:18,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:49:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:49:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:49:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:49:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:49:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-15 01:49:19,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245669222] [2020-10-15 01:49:19,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:49:19,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 01:49:19,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931929652] [2020-10-15 01:49:19,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:49:19,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:49:19,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:49:19,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:49:19,002 INFO L87 Difference]: Start difference. First operand 1271 states and 1574 transitions. Second operand 8 states. [2020-10-15 01:49:19,374 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:49:21,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:49:21,172 INFO L93 Difference]: Finished difference Result 2204 states and 2788 transitions. [2020-10-15 01:49:21,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:49:21,173 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-10-15 01:49:21,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:49:21,182 INFO L225 Difference]: With dead ends: 2204 [2020-10-15 01:49:21,182 INFO L226 Difference]: Without dead ends: 1502 [2020-10-15 01:49:21,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:49:21,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2020-10-15 01:49:21,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1339. [2020-10-15 01:49:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-10-15 01:49:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1639 transitions. [2020-10-15 01:49:21,432 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1639 transitions. Word has length 153 [2020-10-15 01:49:21,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:49:21,434 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1639 transitions. [2020-10-15 01:49:21,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:49:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1639 transitions. [2020-10-15 01:49:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 01:49:21,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:49:21,439 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:49:21,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:49:21,439 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:49:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:49:21,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1874994186, now seen corresponding path program 1 times [2020-10-15 01:49:21,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:49:21,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645115626] [2020-10-15 01:49:21,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:49:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:49:21,505 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:49:21,505 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:49:21,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 01:49:21,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:49:21 BoogieIcfgContainer [2020-10-15 01:49:21,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:49:21,584 INFO L168 Benchmark]: Toolchain (without parser) took 78246.93 ms. Allocated memory was 148.4 MB in the beginning and 880.8 MB in the end (delta: 732.4 MB). Free memory was 103.6 MB in the beginning and 257.6 MB in the end (delta: -154.0 MB). Peak memory consumption was 578.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:21,587 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-15 01:49:21,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.91 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 103.2 MB in the beginning and 174.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:21,589 INFO L168 Benchmark]: Boogie Preprocessor took 92.94 ms. Allocated memory is still 206.0 MB. Free memory was 174.3 MB in the beginning and 170.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:21,589 INFO L168 Benchmark]: RCFGBuilder took 1278.04 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 170.5 MB in the beginning and 190.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:21,590 INFO L168 Benchmark]: TraceAbstraction took 76202.59 ms. Allocated memory was 232.8 MB in the beginning and 880.8 MB in the end (delta: 648.0 MB). Free memory was 190.7 MB in the beginning and 257.6 MB in the end (delta: -66.9 MB). Peak memory consumption was 581.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:49:21,600 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.91 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 103.2 MB in the beginning and 174.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.94 ms. Allocated memory is still 206.0 MB. Free memory was 174.3 MB in the beginning and 170.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.04 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 170.5 MB in the beginning and 190.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 76202.59 ms. Allocated memory was 232.8 MB in the beginning and 880.8 MB in the end (delta: 648.0 MB). Free memory was 190.7 MB in the beginning and 257.6 MB in the end (delta: -66.9 MB). Peak memory consumption was 581.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 310]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L391] int retValue_acc ; [L392] int tmp ; [L396] FCALL select_helpers() [L397] FCALL select_features() [L398] CALL, EXPR valid_product() [L535] int retValue_acc ; [L538] retValue_acc = 1 [L539] return (retValue_acc); [L398] RET, EXPR valid_product() [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L402] FCALL setup() [L403] CALL runTest() [L382] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) [L67] CALL waterRise() [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 [L67] RET waterRise() [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND TRUE ! pumpRunning [L162] CALL, EXPR isHighWaterLevel() [L272] int retValue_acc ; [L273] int tmp ; [L274] int tmp___0 ; [L278] CALL, EXPR isHighWaterSensorDry() [L495] int retValue_acc ; [L498] COND FALSE !(waterLevel < 2) [L502] retValue_acc = 0 [L503] return (retValue_acc); [L278] RET, EXPR isHighWaterSensorDry() [L278] tmp = isHighWaterSensorDry() [L280] COND FALSE !(\read(tmp)) [L283] tmp___0 = 1 [L285] retValue_acc = tmp___0 [L286] return (retValue_acc); [L162] RET, EXPR isHighWaterLevel() [L162] tmp = isHighWaterLevel() [L164] COND TRUE \read(tmp) [L166] CALL activatePump() [L191] int tmp ; [L195] CALL, EXPR isMethaneAlarm() [L216] int retValue_acc ; [L220] CALL, EXPR isMethaneLevelCritical() [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L220] RET, EXPR isMethaneLevelCritical() [L220] retValue_acc = isMethaneLevelCritical() [L222] return (retValue_acc); [L195] RET, EXPR isMethaneAlarm() [L195] tmp = isMethaneAlarm() [L197] COND FALSE !(\read(tmp)) [L201] CALL activatePump__wrappee__highWaterSensor() [L185] pumpRunning = 1 [L201] RET activatePump__wrappee__highWaterSensor() [L166] RET activatePump() [L137] RET processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L143] RET __utac_acc__Specification4_spec__1() [L100] RET timeShift() [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND TRUE \read(pumpRunning) [L130] CALL lowerWaterLevel() [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 [L130] RET lowerWaterLevel() [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND FALSE !(! pumpRunning) [L175] FCALL processEnvironment__wrappee__base() [L137] RET processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L143] RET __utac_acc__Specification4_spec__1() [L100] RET timeShift() [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND TRUE \read(pumpRunning) [L130] CALL lowerWaterLevel() [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 [L130] RET lowerWaterLevel() [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND FALSE !(! pumpRunning) [L175] FCALL processEnvironment__wrappee__base() [L137] RET processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND TRUE tmp == 0 [L920] CALL, EXPR isPumpRunning() [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); [L920] RET, EXPR isPumpRunning() [L920] tmp___0 = isPumpRunning() [L922] COND TRUE \read(tmp___0) [L924] CALL __automaton_fail() [L310] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 76.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1150 SDtfs, 3610 SDslu, 2083 SDs, 0 SdLazy, 9811 SolverSat, 2536 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 295 SyntacticMatches, 3 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 19.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1339occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1144 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 980 NumberOfCodeBlocks, 980 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 809 ConstructedInterpolants, 0 QuantifiedInterpolants, 318242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 106/125 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...