/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:49:47,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:49:47,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:49:47,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:49:47,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:49:47,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:49:47,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:49:47,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:49:47,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:49:47,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:49:47,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:49:47,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:49:47,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:49:47,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:49:47,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:49:47,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:49:47,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:49:47,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:49:47,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:49:47,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:49:47,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:49:47,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:49:47,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:49:47,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:49:47,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:49:47,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:49:47,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:49:47,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:49:47,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:49:47,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:49:47,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:49:47,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:49:47,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:49:47,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:49:47,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:49:47,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:49:47,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:49:47,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:49:47,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:49:47,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:49:47,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:49:47,543 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 [2020-09-25 08:49:47,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:49:47,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:49:47,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:49:47,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:49:47,593 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:49:47,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:49:47,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:49:47,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:49:47,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:49:47,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:49:47,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:49:47,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:49:47,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:49:47,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:49:47,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:49:47,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:49:47,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:49:47,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:49:47,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:49:47,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:49:47,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:49:47,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:49:47,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:49:47,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:49:47,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:49:47,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:49:47,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:49:47,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:49:47,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:49:47,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:49:48,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:49:48,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:49:48,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:49:48,085 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:49:48,086 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:49:48,087 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 08:49:48,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cee54ceda/6894e35602494307b2dd60e604d3eb33/FLAG5103e5366 [2020-09-25 08:49:48,791 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:49:48,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 08:49:48,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cee54ceda/6894e35602494307b2dd60e604d3eb33/FLAG5103e5366 [2020-09-25 08:49:49,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cee54ceda/6894e35602494307b2dd60e604d3eb33 [2020-09-25 08:49:49,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:49:49,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:49:49,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:49:49,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:49:49,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:49:49,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49, skipping insertion in model container [2020-09-25 08:49:49,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:49:49,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:49:49,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:49:49,732 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:49:49,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:49:49,865 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:49:49,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49 WrapperNode [2020-09-25 08:49:49,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:49:49,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:49:49,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:49:49,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:49:49,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (1/1) ... [2020-09-25 08:49:49,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:49:49,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:49:49,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:49:49,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:49:49,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (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 [2020-09-25 08:49:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:49:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:49:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:49:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:49:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:49:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:49:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:49:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:49:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:49:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:49:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:49:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:49:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:49:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:49:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:49:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:49:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:49:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:49:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:49:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:49:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:49:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:49:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:49:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 08:49:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:49:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:49:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:49:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:49:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:49:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:49:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:49:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:49:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:49:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:49:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:49:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:49:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:49:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:49:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:49:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:49:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:49:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:49:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:49:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:49:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:49:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:49:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:49:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:49:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:49:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:49:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:49:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:49:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:49:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:49:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:49:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:49:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:49:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:49:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:49:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:49:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:49:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:49:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:49:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:49:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:49:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:49:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:49:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:49:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:49:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:49:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:49:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:49:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:49:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:49:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:49:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 08:49:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:49:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:49:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:49:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:49:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:49:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:49:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:49:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:49:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:49:50,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:49:50,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:49:50,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:49:50,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:49:50,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:49:50,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:49:51,355 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:49:51,356 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:49:51,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:49:51 BoogieIcfgContainer [2020-09-25 08:49:51,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:49:51,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:49:51,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:49:51,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:49:51,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:49:49" (1/3) ... [2020-09-25 08:49:51,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4ae8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:49:51, skipping insertion in model container [2020-09-25 08:49:51,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:49" (2/3) ... [2020-09-25 08:49:51,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4ae8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:49:51, skipping insertion in model container [2020-09-25 08:49:51,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:49:51" (3/3) ... [2020-09-25 08:49:51,374 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-25 08:49:51,387 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:49:51,399 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:49:51,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:49:51,457 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:49:51,457 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:49:51,457 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:49:51,457 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:49:51,458 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:49:51,458 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:49:51,458 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:49:51,458 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:49:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-25 08:49:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:49:51,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:51,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:51,511 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:51,520 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-25 08:49:51,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:51,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55162551] [2020-09-25 08:49:51,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:53,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:49:56,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:49:56,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:49:56,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:49:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 08:49:57,504 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:57,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:57,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 08:49:57,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:57,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:57,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:57,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:49:57,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:57,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:49:57,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:57,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:57,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:57,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:57,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:49:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:57,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:49:57,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:57,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:49:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:49:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:57,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:57,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:57,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:49:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:57,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:57,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:57,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:57,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:49:57,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:57,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:49:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:58,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55162551] [2020-09-25 08:49:58,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:58,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:49:58,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616508043] [2020-09-25 08:49:58,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:49:58,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:58,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:49:58,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:49:58,100 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 4 states. [2020-09-25 08:49:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:59,568 INFO L93 Difference]: Finished difference Result 569 states and 666 transitions. [2020-09-25 08:49:59,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:49:59,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:49:59,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:59,596 INFO L225 Difference]: With dead ends: 569 [2020-09-25 08:49:59,597 INFO L226 Difference]: Without dead ends: 351 [2020-09-25 08:49:59,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:49:59,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-25 08:49:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 303. [2020-09-25 08:49:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-25 08:49:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 331 transitions. [2020-09-25 08:49:59,724 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 331 transitions. Word has length 160 [2020-09-25 08:49:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:59,725 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 331 transitions. [2020-09-25 08:49:59,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:49:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 331 transitions. [2020-09-25 08:49:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:49:59,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:59,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:59,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:49:59,737 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash -2075110629, now seen corresponding path program 1 times [2020-09-25 08:49:59,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:59,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027576295] [2020-09-25 08:49:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:59,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:59,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:01,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:50:04,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:50:04,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 08:50:04,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:50:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:50:04,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,190 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:05,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 08:50:05,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:05,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:05,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:05,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:05,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:50:05,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:05,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:05,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:05,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:05,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:50:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:05,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:50:05,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:05,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:50:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:05,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:05,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:50:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:05,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:05,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:05,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:05,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:05,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:05,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:05,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:50:05,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027576295] [2020-09-25 08:50:05,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:05,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:50:05,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589922523] [2020-09-25 08:50:05,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:50:05,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:05,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:50:05,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:50:05,456 INFO L87 Difference]: Start difference. First operand 303 states and 331 transitions. Second operand 5 states. [2020-09-25 08:50:06,172 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:07,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:07,382 INFO L93 Difference]: Finished difference Result 494 states and 558 transitions. [2020-09-25 08:50:07,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:50:07,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:50:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:07,388 INFO L225 Difference]: With dead ends: 494 [2020-09-25 08:50:07,388 INFO L226 Difference]: Without dead ends: 340 [2020-09-25 08:50:07,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:50:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-25 08:50:07,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2020-09-25 08:50:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-25 08:50:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 318 transitions. [2020-09-25 08:50:07,439 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 318 transitions. Word has length 161 [2020-09-25 08:50:07,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:07,440 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 318 transitions. [2020-09-25 08:50:07,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:50:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 318 transitions. [2020-09-25 08:50:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 08:50:07,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:07,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:50:07,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:50:07,444 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:07,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:07,444 INFO L82 PathProgramCache]: Analyzing trace with hash -301318836, now seen corresponding path program 1 times [2020-09-25 08:50:07,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:07,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233361005] [2020-09-25 08:50:07,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:07,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:12,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:12,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 08:50:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:50:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 08:50:12,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:12,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:50:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 08:50:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:12,850 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:12,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:12,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:12,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:12,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:12,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:12,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 08:50:12,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:12,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:12,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:12,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:12,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:12,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:12,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:12,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:12,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:12,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:12,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:12,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:12,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:12,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:12,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:12,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:13,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:13,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:13,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:13,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:13,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:13,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:13,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:50:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:13,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:13,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:50:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:50:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:13,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:50:13,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:50:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:13,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:13,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:50:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:13,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:13,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:13,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:13,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 08:50:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:13,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:50:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:13,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:50:13,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233361005] [2020-09-25 08:50:13,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:13,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:50:13,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057872167] [2020-09-25 08:50:13,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:50:13,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:13,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:50:13,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:50:13,170 INFO L87 Difference]: Start difference. First operand 293 states and 318 transitions. Second operand 6 states. [2020-09-25 08:50:13,696 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:50:15,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:15,061 INFO L93 Difference]: Finished difference Result 541 states and 623 transitions. [2020-09-25 08:50:15,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 08:50:15,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 08:50:15,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:15,071 INFO L225 Difference]: With dead ends: 541 [2020-09-25 08:50:15,072 INFO L226 Difference]: Without dead ends: 363 [2020-09-25 08:50:15,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:50:15,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-09-25 08:50:15,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 293. [2020-09-25 08:50:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-25 08:50:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 317 transitions. [2020-09-25 08:50:15,140 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 317 transitions. Word has length 174 [2020-09-25 08:50:15,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:15,143 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 317 transitions. [2020-09-25 08:50:15,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:50:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 317 transitions. [2020-09-25 08:50:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 08:50:15,155 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:15,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:50:15,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:50:15,156 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:15,156 INFO L82 PathProgramCache]: Analyzing trace with hash 453454143, now seen corresponding path program 1 times [2020-09-25 08:50:15,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:15,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37601572] [2020-09-25 08:50:15,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:15,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:15,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:15,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:15,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:18,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-09-25 08:50:20,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 08:50:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 08:50:20,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:50:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 08:50:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 08:50:20,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:20,653 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:20,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 08:50:20,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:20,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:20,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:20,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:20,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:20,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:50:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:20,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:20,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:50:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:20,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:20,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:20,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:20,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:20,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:50:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 08:50:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:50:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 08:50:21,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:21,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 08:50:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:50:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:21,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:21,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:21,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 08:50:21,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:50:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:50:21,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:21,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:50:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 08:50:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:21,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:21,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:50:21,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:21,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:50:21,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:21,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:21,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:21,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:50:21,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:50:21,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:21,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:21,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:21,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:21,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:50:21,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:21,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:50:21,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 08:50:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:21,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:21,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:21,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 08:50:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:21,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:50:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:21,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:50:21,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 08:50:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:21,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:21,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:21,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:50:21,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:21,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 08:50:21,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37601572] [2020-09-25 08:50:21,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:21,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 08:50:21,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889326379] [2020-09-25 08:50:21,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 08:50:21,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:21,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 08:50:21,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 08:50:21,421 INFO L87 Difference]: Start difference. First operand 293 states and 317 transitions. Second operand 13 states. [2020-09-25 08:50:21,988 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:50:23,049 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:23,363 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:50:24,535 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:50:24,918 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:25,302 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:26,015 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:26,342 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:50:26,661 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:27,115 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:28,326 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:28,653 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:50:29,021 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:29,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:29,336 INFO L93 Difference]: Finished difference Result 738 states and 880 transitions. [2020-09-25 08:50:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 08:50:29,337 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2020-09-25 08:50:29,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:29,345 INFO L225 Difference]: With dead ends: 738 [2020-09-25 08:50:29,345 INFO L226 Difference]: Without dead ends: 560 [2020-09-25 08:50:29,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2020-09-25 08:50:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-09-25 08:50:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 419. [2020-09-25 08:50:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-25 08:50:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 451 transitions. [2020-09-25 08:50:29,439 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 451 transitions. Word has length 192 [2020-09-25 08:50:29,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:29,440 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 451 transitions. [2020-09-25 08:50:29,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 08:50:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 451 transitions. [2020-09-25 08:50:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 08:50:29,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:29,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:50:29,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:50:29,444 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:29,445 INFO L82 PathProgramCache]: Analyzing trace with hash -181604155, now seen corresponding path program 1 times [2020-09-25 08:50:29,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:29,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353134513] [2020-09-25 08:50:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 08:50:30,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-09-25 08:50:30,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 08:50:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:30,647 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:30,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 08:50:30,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:30,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:30,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:30,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:30,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:30,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:30,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:30,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:30,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:30,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:50:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:30,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:30,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:50:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:30,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:30,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:30,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:50:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:30,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:30,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 08:50:30,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 08:50:30,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:30,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 08:50:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:30,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:30,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:50:31,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 08:50:31,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 08:50:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:31,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:50:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 08:50:31,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:50:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:31,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:31,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:50:31,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 08:50:31,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:31,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:50:31,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:31,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:50:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:31,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:50:31,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:31,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:31,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:50:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:31,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:31,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:31,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:50:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:31,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:31,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 08:50:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:31,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:31,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:31,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:31,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:31,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 08:50:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:31,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:31,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:31,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:31,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:31,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:31,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:31,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:31,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:31,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:31,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:50:31,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353134513] [2020-09-25 08:50:31,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:31,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 08:50:31,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769870930] [2020-09-25 08:50:31,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 08:50:31,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:31,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 08:50:31,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:50:31,290 INFO L87 Difference]: Start difference. First operand 419 states and 451 transitions. Second operand 11 states. [2020-09-25 08:50:32,843 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:33,193 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:33,503 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:50:33,812 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:34,129 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:34,427 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:35,838 INFO L93 Difference]: Finished difference Result 863 states and 1001 transitions. [2020-09-25 08:50:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:50:35,838 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-25 08:50:35,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:35,843 INFO L225 Difference]: With dead ends: 863 [2020-09-25 08:50:35,843 INFO L226 Difference]: Without dead ends: 559 [2020-09-25 08:50:35,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 08:50:35,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-09-25 08:50:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 427. [2020-09-25 08:50:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-09-25 08:50:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 459 transitions. [2020-09-25 08:50:35,910 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 459 transitions. Word has length 217 [2020-09-25 08:50:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:35,911 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 459 transitions. [2020-09-25 08:50:35,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 08:50:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 459 transitions. [2020-09-25 08:50:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 08:50:35,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:35,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:50:35,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:50:35,915 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:35,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:35,915 INFO L82 PathProgramCache]: Analyzing trace with hash -243932891, now seen corresponding path program 1 times [2020-09-25 08:50:35,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:35,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852874360] [2020-09-25 08:50:35,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:36,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:36,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:36,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 08:50:36,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:36,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 719 [2020-09-25 08:50:36,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:36,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:36,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-25 08:50:36,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:36,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,015 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:37,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:37,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 08:50:37,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:37,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:37,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:37,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:37,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:37,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:37,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:37,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:37,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:37,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:50:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:37,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:50:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:37,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:37,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:37,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:37,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:50:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 08:50:37,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 08:50:37,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:37,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 08:50:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:37,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:50:37,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 08:50:37,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 08:50:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:50:37,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 08:50:37,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:50:37,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:37,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:50:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 08:50:37,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:50:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:50:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:50:37,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:50:37,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:50:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:37,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:50:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:50:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:37,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:37,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:37,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:37,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:37,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:37,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:37,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:37,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:37,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:50:37,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:37,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1