/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:05:03,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:05:03,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:05:03,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:05:03,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:05:03,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:05:03,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:05:03,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:05:03,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:05:03,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:05:03,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:05:03,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:05:03,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:05:03,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:05:03,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:05:03,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:05:03,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:05:03,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:05:03,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:05:03,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:05:03,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:05:03,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:05:03,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:05:03,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:05:03,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:05:03,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:05:03,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:05:03,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:05:03,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:05:03,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:05:03,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:05:03,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:05:03,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:05:03,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:05:03,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:05:03,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:05:03,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:05:03,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:05:03,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:05:03,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:05:03,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:05:03,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:05:03,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:05:03,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:05:03,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:05:03,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:05:03,513 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:05:03,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:05:03,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:05:03,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:05:03,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:05:03,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:05:03,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:05:03,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:05:03,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:05:03,516 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:05:03,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:05:03,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:05:03,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:05:03,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:05:03,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:05:03,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:05:03,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:05:03,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:03,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:05:03,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:05:03,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:05:03,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:05:03,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:05:03,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:05:03,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:05:03,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:05:03,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:05:03,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:05:04,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:05:04,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:05:04,005 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:05:04,006 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-09-21 11:05:04,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9653571eb/eccac135b1dd485fa4209f63c8178524/FLAGdf86f9c38 [2020-09-21 11:05:04,755 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:05:04,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-09-21 11:05:04,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9653571eb/eccac135b1dd485fa4209f63c8178524/FLAGdf86f9c38 [2020-09-21 11:05:04,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9653571eb/eccac135b1dd485fa4209f63c8178524 [2020-09-21 11:05:05,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:05:05,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:05:05,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:05,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:05:05,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:05:05,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:04" (1/1) ... [2020-09-21 11:05:05,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05, skipping insertion in model container [2020-09-21 11:05:05,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:04" (1/1) ... [2020-09-21 11:05:05,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:05:05,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:05:05,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:05,512 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:05:05,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:05,770 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:05:05,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05 WrapperNode [2020-09-21 11:05:05,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:05,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:05:05,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:05:05,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:05:05,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... [2020-09-21 11:05:05,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:05:05,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:05:05,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:05:05,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:05:05,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:05:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:05:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:05:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:05:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:05:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:05:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:05:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:05:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:05:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:05:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:05:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:05:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:05:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:05:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:05:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:05:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:05:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:05:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:05:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:05:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:05:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:05:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:05:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:05:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:05:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:05:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:05:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:05:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:05:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:05:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:05:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:05:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:05:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:05:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:05:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:05:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:05:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:05:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:05:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:05:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:05:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:05:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:05:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:05:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:05:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:05:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:05:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:05:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:05:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:05:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:05:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:05:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:05:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:05:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:05:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:05:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:05:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:05:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:05:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:05:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:05:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:05:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:05:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:05:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:05:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:05:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:05:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:05:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:05:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:05:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:05:07,070 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:05:07,070 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:05:07,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:07 BoogieIcfgContainer [2020-09-21 11:05:07,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:05:07,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:05:07,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:05:07,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:05:07,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:05:04" (1/3) ... [2020-09-21 11:05:07,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b2dd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:07, skipping insertion in model container [2020-09-21 11:05:07,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:05" (2/3) ... [2020-09-21 11:05:07,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b2dd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:07, skipping insertion in model container [2020-09-21 11:05:07,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:07" (3/3) ... [2020-09-21 11:05:07,085 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-09-21 11:05:07,097 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:05:07,107 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:05:07,129 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:05:07,161 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:05:07,161 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:05:07,161 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:05:07,161 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:05:07,161 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:05:07,161 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:05:07,161 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:05:07,161 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:05:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-09-21 11:05:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:05:07,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:07,212 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] [2020-09-21 11:05:07,213 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:07,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:07,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2020-09-21 11:05:07,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:07,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778701737] [2020-09-21 11:05:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:07,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:07,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:07,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:05:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:05:07,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:05:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:08,045 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:08,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:08,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:08,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:08,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:08,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:08,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:08,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:08,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:08,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:08,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:05:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:08,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:08,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:08,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:08,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:08,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:08,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:08,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:08,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:08,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:08,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:08,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778701737] [2020-09-21 11:05:08,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:08,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:05:08,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129522752] [2020-09-21 11:05:08,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:05:08,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:08,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:05:08,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:08,262 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 3 states. [2020-09-21 11:05:09,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:09,516 INFO L93 Difference]: Finished difference Result 317 states and 417 transitions. [2020-09-21 11:05:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:05:09,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:05:09,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:09,537 INFO L225 Difference]: With dead ends: 317 [2020-09-21 11:05:09,537 INFO L226 Difference]: Without dead ends: 172 [2020-09-21 11:05:09,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:09,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-09-21 11:05:09,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 136. [2020-09-21 11:05:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-09-21 11:05:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-09-21 11:05:09,661 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2020-09-21 11:05:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:09,661 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-09-21 11:05:09,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:05:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-09-21 11:05:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:05:09,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:09,695 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] [2020-09-21 11:05:09,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:05:09,696 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:09,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:09,698 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2020-09-21 11:05:09,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:09,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422318970] [2020-09-21 11:05:09,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:09,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:05:09,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:05:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,094 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:10,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:10,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:10,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:10,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:10,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:10,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:05:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:10,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:10,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:10,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:10,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:10,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:10,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:10,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:10,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:10,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:10,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422318970] [2020-09-21 11:05:10,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:10,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:10,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089323755] [2020-09-21 11:05:10,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:10,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:10,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:10,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:10,183 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 4 states. [2020-09-21 11:05:10,653 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:11,483 INFO L93 Difference]: Finished difference Result 244 states and 300 transitions. [2020-09-21 11:05:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:11,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:05:11,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:11,487 INFO L225 Difference]: With dead ends: 244 [2020-09-21 11:05:11,487 INFO L226 Difference]: Without dead ends: 156 [2020-09-21 11:05:11,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-21 11:05:11,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2020-09-21 11:05:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-09-21 11:05:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-09-21 11:05:11,529 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2020-09-21 11:05:11,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:11,529 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-09-21 11:05:11,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-09-21 11:05:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:05:11,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:11,531 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] [2020-09-21 11:05:11,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:05:11,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:11,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2020-09-21 11:05:11,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:11,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240823341] [2020-09-21 11:05:11,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:11,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:11,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:11,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:11,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:11,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:05:11,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:11,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-09-21 11:05:11,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:05:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:05:11,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,229 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:05:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:05:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:12,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:12,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:12,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:12,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:12,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:12,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:12,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:12,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240823341] [2020-09-21 11:05:12,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:12,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:12,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45244311] [2020-09-21 11:05:12,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:12,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:12,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:12,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:12,392 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 4 states. [2020-09-21 11:05:12,779 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:14,600 INFO L93 Difference]: Finished difference Result 376 states and 468 transitions. [2020-09-21 11:05:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:14,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:05:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:14,605 INFO L225 Difference]: With dead ends: 376 [2020-09-21 11:05:14,605 INFO L226 Difference]: Without dead ends: 273 [2020-09-21 11:05:14,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:14,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-21 11:05:14,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 224. [2020-09-21 11:05:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-21 11:05:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 271 transitions. [2020-09-21 11:05:14,680 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 271 transitions. Word has length 51 [2020-09-21 11:05:14,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:14,680 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 271 transitions. [2020-09-21 11:05:14,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 271 transitions. [2020-09-21 11:05:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:05:14,682 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:14,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:14,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:05:14,683 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:14,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:14,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2020-09-21 11:05:14,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:14,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299173549] [2020-09-21 11:05:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:05:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-09-21 11:05:15,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:05:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:05:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:15,453 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:15,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:15,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:05:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:15,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:15,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:15,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:15,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:15,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:15,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:15,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:15,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:05:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:05:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:15,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:15,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:05:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:15,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:15,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:15,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:15,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:15,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:15,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:15,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:15,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299173549] [2020-09-21 11:05:15,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:15,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:15,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89677745] [2020-09-21 11:05:15,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:15,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:15,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:15,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:15,659 INFO L87 Difference]: Start difference. First operand 224 states and 271 transitions. Second operand 8 states. [2020-09-21 11:05:16,098 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:17,243 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:17,667 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:18,070 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:18,457 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:18,988 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:20,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:20,252 INFO L93 Difference]: Finished difference Result 726 states and 942 transitions. [2020-09-21 11:05:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:05:20,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:05:20,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:20,263 INFO L225 Difference]: With dead ends: 726 [2020-09-21 11:05:20,264 INFO L226 Difference]: Without dead ends: 526 [2020-09-21 11:05:20,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:05:20,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-09-21 11:05:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 409. [2020-09-21 11:05:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-09-21 11:05:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 500 transitions. [2020-09-21 11:05:20,369 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 500 transitions. Word has length 57 [2020-09-21 11:05:20,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:20,370 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 500 transitions. [2020-09-21 11:05:20,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:05:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 500 transitions. [2020-09-21 11:05:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:05:20,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:20,373 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] [2020-09-21 11:05:20,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:05:20,373 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:20,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:20,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1216252231, now seen corresponding path program 1 times [2020-09-21 11:05:20,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:20,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184962192] [2020-09-21 11:05:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:20,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:20,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:20,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:20,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:20,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:05:20,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-09-21 11:05:20,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:05:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:05:20,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:21,170 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:21,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 11:05:21,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:21,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:21,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:21,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:21,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:21,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:21,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:05:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:21,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:05:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:21,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:21,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:21,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:21,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:21,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:21,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:21,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:21,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:21,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184962192] [2020-09-21 11:05:21,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:21,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:05:21,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992388788] [2020-09-21 11:05:21,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:05:21,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:21,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:05:21,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:05:21,439 INFO L87 Difference]: Start difference. First operand 409 states and 500 transitions. Second operand 9 states. [2020-09-21 11:05:21,918 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:22,988 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:23,343 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:23,666 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:24,475 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:24,809 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:26,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:26,033 INFO L93 Difference]: Finished difference Result 1232 states and 1653 transitions. [2020-09-21 11:05:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:05:26,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:05:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:26,045 INFO L225 Difference]: With dead ends: 1232 [2020-09-21 11:05:26,045 INFO L226 Difference]: Without dead ends: 847 [2020-09-21 11:05:26,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:05:26,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-09-21 11:05:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 689. [2020-09-21 11:05:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-09-21 11:05:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 852 transitions. [2020-09-21 11:05:26,233 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 852 transitions. Word has length 61 [2020-09-21 11:05:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:26,233 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 852 transitions. [2020-09-21 11:05:26,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:05:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 852 transitions. [2020-09-21 11:05:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:05:26,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:26,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:26,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:05:26,238 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1403376364, now seen corresponding path program 1 times [2020-09-21 11:05:26,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:26,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086435953] [2020-09-21 11:05:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:26,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:26,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:26,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:26,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:26,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:05:26,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:26,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-21 11:05:26,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:05:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:05:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:26,864 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:26,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:26,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:26,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:26,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:26,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:26,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:26,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:05:26,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:27,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:27,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:27,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:27,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:27,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:27,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:27,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:27,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:05:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:27,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:27,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:05:27,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:05:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:27,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:27,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:05:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:27,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:27,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:27,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:27,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:05:27,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:27,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:05:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:05:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:27,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:27,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:27,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:27,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:27,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:27,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:27,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:05:27,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086435953] [2020-09-21 11:05:27,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:27,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:05:27,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626053915] [2020-09-21 11:05:27,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:05:27,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:27,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:05:27,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:05:27,215 INFO L87 Difference]: Start difference. First operand 689 states and 852 transitions. Second operand 9 states. [2020-09-21 11:05:27,589 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:28,678 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:28,996 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:29,376 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:29,685 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:31,717 INFO L93 Difference]: Finished difference Result 2200 states and 3056 transitions. [2020-09-21 11:05:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:05:31,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-09-21 11:05:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:31,737 INFO L225 Difference]: With dead ends: 2200 [2020-09-21 11:05:31,738 INFO L226 Difference]: Without dead ends: 1535 [2020-09-21 11:05:31,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:05:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2020-09-21 11:05:31,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1231. [2020-09-21 11:05:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2020-09-21 11:05:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1504 transitions. [2020-09-21 11:05:31,964 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1504 transitions. Word has length 98 [2020-09-21 11:05:31,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:31,964 INFO L479 AbstractCegarLoop]: Abstraction has 1231 states and 1504 transitions. [2020-09-21 11:05:31,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:05:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1504 transitions. [2020-09-21 11:05:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:05:31,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:31,971 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:31,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:05:31,971 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:31,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:31,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1411135723, now seen corresponding path program 1 times [2020-09-21 11:05:31,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:31,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778391876] [2020-09-21 11:05:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:05:32,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:05:32,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 11:05:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,264 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:32,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:32,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:32,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:32,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:32,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:32,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:32,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:05:32,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:32,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:05:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:32,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:32,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:05:32,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:32,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:32,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:32,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:05:32,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:32,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:32,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:05:32,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:32,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:05:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:05:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:32,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:32,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:32,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:32,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:32,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:32,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:32,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:32,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:32,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:05:32,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778391876] [2020-09-21 11:05:32,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:32,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:05:32,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096702654] [2020-09-21 11:05:32,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:05:32,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:32,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:05:32,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:05:32,491 INFO L87 Difference]: Start difference. First operand 1231 states and 1504 transitions. Second operand 9 states. [2020-09-21 11:05:33,538 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:33,812 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:05:34,164 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:34,503 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:35,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:35,617 INFO L93 Difference]: Finished difference Result 2758 states and 3675 transitions. [2020-09-21 11:05:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:05:35,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-09-21 11:05:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:35,629 INFO L225 Difference]: With dead ends: 2758 [2020-09-21 11:05:35,629 INFO L226 Difference]: Without dead ends: 1551 [2020-09-21 11:05:35,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:05:35,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2020-09-21 11:05:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1271. [2020-09-21 11:05:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-09-21 11:05:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1544 transitions. [2020-09-21 11:05:35,935 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1544 transitions. Word has length 98 [2020-09-21 11:05:35,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:35,937 INFO L479 AbstractCegarLoop]: Abstraction has 1271 states and 1544 transitions. [2020-09-21 11:05:35,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:05:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1544 transitions. [2020-09-21 11:05:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:05:35,941 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:35,941 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:35,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:05:35,942 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:35,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:35,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1990345235, now seen corresponding path program 1 times [2020-09-21 11:05:35,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:35,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396878236] [2020-09-21 11:05:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:36,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -54 [2020-09-21 11:05:36,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 54 [2020-09-21 11:05:36,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:05:36,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:05:36,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:05:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:36,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,257 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:36,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:36,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:36,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:36,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:36,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:36,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:36,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:36,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:36,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:05:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:05:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:36,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:05:36,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:05:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:36,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:36,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:36,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:05:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:36,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:36,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:05:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:36,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:05:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:05:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:36,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:36,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:36,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:36,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:36,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:36,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:36,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:05:36,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396878236] [2020-09-21 11:05:36,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:36,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:36,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708102354] [2020-09-21 11:05:36,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:36,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:36,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:36,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:36,555 INFO L87 Difference]: Start difference. First operand 1271 states and 1544 transitions. Second operand 8 states. [2020-09-21 11:05:37,569 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:37,881 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:38,166 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:39,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:39,458 INFO L93 Difference]: Finished difference Result 2420 states and 3140 transitions. [2020-09-21 11:05:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:05:39,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-21 11:05:39,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:39,468 INFO L225 Difference]: With dead ends: 2420 [2020-09-21 11:05:39,468 INFO L226 Difference]: Without dead ends: 1173 [2020-09-21 11:05:39,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:05:39,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-09-21 11:05:39,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 989. [2020-09-21 11:05:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-09-21 11:05:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1178 transitions. [2020-09-21 11:05:39,631 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1178 transitions. Word has length 98 [2020-09-21 11:05:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:39,632 INFO L479 AbstractCegarLoop]: Abstraction has 989 states and 1178 transitions. [2020-09-21 11:05:39,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:05:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1178 transitions. [2020-09-21 11:05:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 11:05:39,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:39,637 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:39,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:05:39,637 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:39,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:39,637 INFO L82 PathProgramCache]: Analyzing trace with hash 860662504, now seen corresponding path program 1 times [2020-09-21 11:05:39,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:39,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9694801] [2020-09-21 11:05:39,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:39,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:39,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:05:39,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:05:39,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:39,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:05:39,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:39,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:05:39,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:05:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:05:39,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:40,051 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:40,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:40,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:40,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:40,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:05:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:05:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:40,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:05:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:40,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:05:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:05:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:05:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:40,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:05:40,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:05:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:40,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:40,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:05:40,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:05:40,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:40,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:40,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:40,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:40,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:05:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:40,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:40,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:05:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:40,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:40,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:40,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:40,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:40,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:40,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:40,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:40,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:40,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:40,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:40,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:40,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:05:40,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9694801] [2020-09-21 11:05:40,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:05:40,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:05:40,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67365693] [2020-09-21 11:05:40,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:05:40,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:40,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:05:40,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:05:40,418 INFO L87 Difference]: Start difference. First operand 989 states and 1178 transitions. Second operand 13 states. [2020-09-21 11:05:40,889 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:41,649 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:42,240 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:42,659 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:44,289 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:44,930 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:45,515 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:46,130 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:05:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:47,865 INFO L93 Difference]: Finished difference Result 2130 states and 2656 transitions. [2020-09-21 11:05:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:05:47,865 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2020-09-21 11:05:47,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:47,873 INFO L225 Difference]: With dead ends: 2130 [2020-09-21 11:05:47,873 INFO L226 Difference]: Without dead ends: 1165 [2020-09-21 11:05:47,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=254, Invalid=802, Unknown=0, NotChecked=0, Total=1056 [2020-09-21 11:05:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-09-21 11:05:48,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 963. [2020-09-21 11:05:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-09-21 11:05:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1128 transitions. [2020-09-21 11:05:48,069 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1128 transitions. Word has length 102 [2020-09-21 11:05:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:48,070 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1128 transitions. [2020-09-21 11:05:48,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:05:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1128 transitions. [2020-09-21 11:05:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-21 11:05:48,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:48,074 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:48,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:05:48,075 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:48,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:48,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1474138273, now seen corresponding path program 1 times [2020-09-21 11:05:48,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:48,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909330297] [2020-09-21 11:05:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 11:05:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:05:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,418 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:48,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:48,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:05:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:48,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:48,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:05:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:05:48,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:48,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:48,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:05:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:48,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:48,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:05:48,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:48,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:48,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:48,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:48,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:05:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:05:48,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:05:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:48,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 11:05:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:48,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:05:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:48,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-21 11:05:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:48,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:05:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:05:48,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909330297] [2020-09-21 11:05:48,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:48,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:05:48,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066398745] [2020-09-21 11:05:48,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:05:48,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:48,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:05:48,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:05:48,730 INFO L87 Difference]: Start difference. First operand 963 states and 1128 transitions. Second operand 10 states. [2020-09-21 11:05:49,189 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:49,977 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:52,422 INFO L93 Difference]: Finished difference Result 1320 states and 1636 transitions. [2020-09-21 11:05:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 11:05:52,424 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-09-21 11:05:52,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:52,427 INFO L225 Difference]: With dead ends: 1320 [2020-09-21 11:05:52,428 INFO L226 Difference]: Without dead ends: 573 [2020-09-21 11:05:52,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:05:52,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-09-21 11:05:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 476. [2020-09-21 11:05:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-09-21 11:05:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 541 transitions. [2020-09-21 11:05:52,522 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 541 transitions. Word has length 135 [2020-09-21 11:05:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:52,523 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 541 transitions. [2020-09-21 11:05:52,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:05:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 541 transitions. [2020-09-21 11:05:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-21 11:05:52,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:52,526 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:52,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:05:52,526 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:52,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1025619864, now seen corresponding path program 1 times [2020-09-21 11:05:52,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:52,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428556299] [2020-09-21 11:05:52,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:52,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:05:52,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:05:52,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:05:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-21 11:05:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:05:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,945 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:05:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:05:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:05:53,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:05:53,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:05:53,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:05:53,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:53,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:53,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:05:53,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:53,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:05:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:05:53,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:05:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-21 11:05:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:53,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:05:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:05:53,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:05:53,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:05:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:05:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:05:53,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:05:53,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:05:53,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:05:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:53,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:05:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:53,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:05:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:05:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:53,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 11:05:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-21 11:05:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:53,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:53,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:53,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:53,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:53,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:53,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:53,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-21 11:05:53,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428556299] [2020-09-21 11:05:53,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:05:53,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:05:53,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249986864] [2020-09-21 11:05:53,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:05:53,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:53,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:05:53,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:05:53,332 INFO L87 Difference]: Start difference. First operand 476 states and 541 transitions. Second operand 14 states. [2020-09-21 11:05:53,829 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:54,693 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:55,676 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:56,095 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:56,428 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:56,770 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:57,165 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:57,500 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:58,844 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:59,162 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:59,953 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:00,263 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:00,760 INFO L93 Difference]: Finished difference Result 862 states and 1041 transitions. [2020-09-21 11:06:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-21 11:06:00,761 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2020-09-21 11:06:00,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:00,762 INFO L225 Difference]: With dead ends: 862 [2020-09-21 11:06:00,762 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:06:00,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=281, Invalid=1125, Unknown=0, NotChecked=0, Total=1406 [2020-09-21 11:06:00,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:06:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:06:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:06:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:06:00,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-09-21 11:06:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:00,767 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:06:00,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:06:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:06:00,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:06:00,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:06:00,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:06:01,007 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192