/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:48:37,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:48:37,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:48:37,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:48:37,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:48:37,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:48:37,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:48:37,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:48:37,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:48:37,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:48:37,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:48:37,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:48:37,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:48:37,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:48:37,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:48:37,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:48:37,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:48:37,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:48:37,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:48:37,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:48:37,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:48:37,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:48:37,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:48:37,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:48:37,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:48:37,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:48:37,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:48:37,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:48:37,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:48:37,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:48:37,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:48:37,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:48:37,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:48:37,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:48:37,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:48:38,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:48:38,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:48:38,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:48:38,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:48:38,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:48:38,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:48:38,004 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 08:48:38,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:48:38,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:48:38,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:48:38,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:48:38,049 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:48:38,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:48:38,049 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:48:38,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:48:38,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:48:38,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:48:38,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:48:38,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:48:38,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:48:38,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:48:38,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:48:38,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:48:38,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:48:38,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:48:38,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:48:38,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:48:38,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:48:38,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:48:38,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:48:38,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:48:38,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:48:38,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:48:38,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:48:38,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:48:38,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:48:38,055 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 08:48:38,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:48:38,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:48:38,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:48:38,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:48:38,494 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:48:38,495 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-25 08:48:38,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47f5eaf84/5d16c0c165ff4e1fb0b8e72707dcb72a/FLAG7768c6991 [2020-09-25 08:48:39,164 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:48:39,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-25 08:48:39,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47f5eaf84/5d16c0c165ff4e1fb0b8e72707dcb72a/FLAG7768c6991 [2020-09-25 08:48:39,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47f5eaf84/5d16c0c165ff4e1fb0b8e72707dcb72a [2020-09-25 08:48:39,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:48:39,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:48:39,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:48:39,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:48:39,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:48:39,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:48:39" (1/1) ... [2020-09-25 08:48:39,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f6f65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:39, skipping insertion in model container [2020-09-25 08:48:39,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:48:39" (1/1) ... [2020-09-25 08:48:39,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:48:39,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:48:39,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:48:40,038 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:48:40,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:48:40,186 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:48:40,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40 WrapperNode [2020-09-25 08:48:40,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:48:40,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:48:40,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:48:40,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:48:40,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (1/1) ... [2020-09-25 08:48:40,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:48:40,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:48:40,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:48:40,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:48:40,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (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 08:48:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:48:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:48:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:48:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:48:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:48:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:48:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:48:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:48:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:48:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:48:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:48:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:48:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:48:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:48:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:48:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:48:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:48:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:48:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:48:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:48:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:48:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:48:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:48:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:48:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:48:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:48:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:48:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:48:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:48:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:48:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:48:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:48:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:48:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:48:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:48:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:48:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:48:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:48:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:48:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:48:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:48:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:48:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:48:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:48:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:48:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:48:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:48:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:48:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:48:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:48:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:48:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:48:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:48:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:48:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:48:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:48:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:48:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:48:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:48:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:48:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:48:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:48:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:48:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:48:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:48:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:48:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:48:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:48:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:48:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:48:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:48:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:48:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:48:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:48:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:48:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:48:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:48:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:48:41,533 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:48:41,534 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:48:41,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:48:41 BoogieIcfgContainer [2020-09-25 08:48:41,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:48:41,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:48:41,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:48:41,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:48:41,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:48:39" (1/3) ... [2020-09-25 08:48:41,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1cb83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:48:41, skipping insertion in model container [2020-09-25 08:48:41,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:40" (2/3) ... [2020-09-25 08:48:41,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1cb83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:48:41, skipping insertion in model container [2020-09-25 08:48:41,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:48:41" (3/3) ... [2020-09-25 08:48:41,551 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-09-25 08:48:41,562 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:48:41,574 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:48:41,598 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:48:41,631 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:48:41,632 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:48:41,632 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:48:41,632 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:48:41,632 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:48:41,632 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:48:41,632 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:48:41,633 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:48:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-25 08:48:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:48:41,683 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:41,685 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 08:48:41,685 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:41,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:41,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1597638974, now seen corresponding path program 1 times [2020-09-25 08:48:41,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:41,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308082114] [2020-09-25 08:48:41,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:42,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:42,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:44,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:46,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:48:47,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:48:47,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 08:48:47,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:48:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 08:48:47,544 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:47,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 08:48:47,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:47,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:47,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:47,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:48:47,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:48:47,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:47,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:47,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:47,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:47,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:47,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:48:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:47,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:47,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:48:47,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:47,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:47,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:48:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:47,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:47,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:47,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:48:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:47,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:47,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:48:47,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:47,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:48:48,017 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 08:48:48,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308082114] [2020-09-25 08:48:48,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:48,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:48:48,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111492532] [2020-09-25 08:48:48,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:48:48,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:48,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:48:48,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:48:48,051 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-09-25 08:48:49,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:49,335 INFO L93 Difference]: Finished difference Result 468 states and 551 transitions. [2020-09-25 08:48:49,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:48:49,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:48:49,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:49,357 INFO L225 Difference]: With dead ends: 468 [2020-09-25 08:48:49,357 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 08:48:49,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:48:49,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 08:48:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-25 08:48:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 08:48:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-25 08:48:49,492 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 160 [2020-09-25 08:48:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:49,495 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-25 08:48:49,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:48:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-25 08:48:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:48:49,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:49,506 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 08:48:49,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:48:49,507 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:49,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:49,508 INFO L82 PathProgramCache]: Analyzing trace with hash 960468247, now seen corresponding path program 1 times [2020-09-25 08:48:49,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:49,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486773275] [2020-09-25 08:48:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:49,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:48:54,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:48:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 08:48:54,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:48:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:48:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:54,903 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:55,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 08:48:55,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:55,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:55,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:55,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:55,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:55,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:55,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:48:55,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:55,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:55,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:55,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:55,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:48:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:55,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:55,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:48:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:55,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:55,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:48:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:55,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:55,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:55,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:48:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:55,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:55,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:55,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:55,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:55,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:55,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:55,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:55,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:55,235 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 08:48:55,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486773275] [2020-09-25 08:48:55,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:55,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:48:55,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247108111] [2020-09-25 08:48:55,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:48:55,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:55,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:48:55,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:48:55,243 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-09-25 08:48:56,218 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:57,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:57,088 INFO L93 Difference]: Finished difference Result 384 states and 433 transitions. [2020-09-25 08:48:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:48:57,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:48:57,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:57,094 INFO L225 Difference]: With dead ends: 384 [2020-09-25 08:48:57,094 INFO L226 Difference]: Without dead ends: 289 [2020-09-25 08:48:57,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:48:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-25 08:48:57,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-25 08:48:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 08:48:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-25 08:48:57,162 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 161 [2020-09-25 08:48:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:57,164 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-25 08:48:57,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:48:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-25 08:48:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 08:48:57,166 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:57,167 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 08:48:57,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:48:57,167 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:57,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:57,167 INFO L82 PathProgramCache]: Analyzing trace with hash 767215678, now seen corresponding path program 1 times [2020-09-25 08:48:57,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:57,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137276565] [2020-09-25 08:48:57,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:57,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:57,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:59,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 08:49:02,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:49:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 08:49:02,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:49:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 08:49:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,493 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:02,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:02,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 08:49:02,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:02,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:02,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:02,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:02,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:49:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:02,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:02,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:49:02,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:49:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:02,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:49:02,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:49:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:02,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:49:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:02,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:02,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 08:49:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:02,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,778 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 08:49:02,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137276565] [2020-09-25 08:49:02,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:02,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:49:02,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727526921] [2020-09-25 08:49:02,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:49:02,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:02,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:49:02,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:49:02,783 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 6 states. [2020-09-25 08:49:03,279 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:04,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:04,887 INFO L93 Difference]: Finished difference Result 573 states and 663 transitions. [2020-09-25 08:49:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:49:04,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 08:49:04,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:04,899 INFO L225 Difference]: With dead ends: 573 [2020-09-25 08:49:04,899 INFO L226 Difference]: Without dead ends: 445 [2020-09-25 08:49:04,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:49:04,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-25 08:49:04,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 355. [2020-09-25 08:49:04,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-09-25 08:49:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 390 transitions. [2020-09-25 08:49:04,981 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 390 transitions. Word has length 174 [2020-09-25 08:49:04,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:04,983 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 390 transitions. [2020-09-25 08:49:04,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:49:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 390 transitions. [2020-09-25 08:49:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 08:49:04,987 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:04,987 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] [2020-09-25 08:49:04,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:49:04,988 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:04,988 INFO L82 PathProgramCache]: Analyzing trace with hash -45205301, now seen corresponding path program 1 times [2020-09-25 08:49:04,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:04,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819982194] [2020-09-25 08:49:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:05,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:05,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:05,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 08:49:10,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:49:10,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 08:49:10,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:49:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 08:49:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 08:49:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:10,501 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:10,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:10,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-25 08:49:10,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:10,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:10,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:10,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:10,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:10,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:10,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:10,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:10,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:10,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:10,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:49:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:49:10,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:49:10,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:49:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:49:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:10,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:49:10,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:10,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:49:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:10,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 08:49:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:10,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:10,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 08:49:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:10,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 08:49:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:10,981 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 08:49:10,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819982194] [2020-09-25 08:49:10,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:10,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:49:10,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903380825] [2020-09-25 08:49:10,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:49:10,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:10,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:49:10,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:49:10,989 INFO L87 Difference]: Start difference. First operand 355 states and 390 transitions. Second operand 10 states. [2020-09-25 08:49:11,793 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:12,776 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:13,056 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:49:14,140 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:14,480 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:49:14,859 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:15,567 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:15,899 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:49:16,219 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:16,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:16,588 INFO L93 Difference]: Finished difference Result 842 states and 998 transitions. [2020-09-25 08:49:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 08:49:16,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 08:49:16,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:16,596 INFO L225 Difference]: With dead ends: 842 [2020-09-25 08:49:16,596 INFO L226 Difference]: Without dead ends: 602 [2020-09-25 08:49:16,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 08:49:16,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-09-25 08:49:16,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 517. [2020-09-25 08:49:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-09-25 08:49:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 578 transitions. [2020-09-25 08:49:16,667 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 578 transitions. Word has length 179 [2020-09-25 08:49:16,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:16,668 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 578 transitions. [2020-09-25 08:49:16,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:49:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 578 transitions. [2020-09-25 08:49:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 08:49:16,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:16,672 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] [2020-09-25 08:49:16,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:49:16,672 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:16,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:16,673 INFO L82 PathProgramCache]: Analyzing trace with hash -67508309, now seen corresponding path program 1 times [2020-09-25 08:49:16,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:16,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635591991] [2020-09-25 08:49:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 08:49:17,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-09-25 08:49:17,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:49:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 08:49:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:49:17,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:17,801 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:17,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 08:49:17,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:17,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:17,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:17,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:17,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:17,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:17,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:17,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:17,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:18,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:18,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:49:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:18,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:18,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:49:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:18,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:18,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:18,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:18,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:49:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:49:18,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 08:49:18,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:49:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:49:18,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:49:18,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:49:18,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:49:18,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:49:18,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:49:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:49:18,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:18,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:49:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:18,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:18,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:49:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 08:49:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:18,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:18,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 08:49:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:18,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:18,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:18,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:18,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:18,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:18,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:18,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:18,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:18,347 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 08:49:18,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635591991] [2020-09-25 08:49:18,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:18,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 08:49:18,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711245453] [2020-09-25 08:49:18,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 08:49:18,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:18,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 08:49:18,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:49:18,350 INFO L87 Difference]: Start difference. First operand 517 states and 578 transitions. Second operand 11 states. [2020-09-25 08:49:19,941 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:20,278 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:49:20,608 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 08:49:20,941 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:21,258 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:21,583 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:22,310 INFO L93 Difference]: Finished difference Result 1104 states and 1323 transitions. [2020-09-25 08:49:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 08:49:22,312 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-25 08:49:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:22,317 INFO L225 Difference]: With dead ends: 1104 [2020-09-25 08:49:22,317 INFO L226 Difference]: Without dead ends: 702 [2020-09-25 08:49:22,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 08:49:22,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-09-25 08:49:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 536. [2020-09-25 08:49:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 08:49:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 597 transitions. [2020-09-25 08:49:22,411 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 597 transitions. Word has length 207 [2020-09-25 08:49:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:22,412 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 597 transitions. [2020-09-25 08:49:22,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 08:49:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 597 transitions. [2020-09-25 08:49:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 08:49:22,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:22,414 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] [2020-09-25 08:49:22,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:49:22,415 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:22,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:22,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1207302133, now seen corresponding path program 1 times [2020-09-25 08:49:22,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:22,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989587868] [2020-09-25 08:49:22,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:22,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 08:49:23,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-09-25 08:49:23,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 08:49:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:23,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,431 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:23,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:23,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 08:49:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:23,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:23,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:23,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:23,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:23,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:49:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:23,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:49:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:23,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:49:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:49:23,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 08:49:23,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:49:23,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 08:49:23,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:49:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:49:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:49:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:23,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:49:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:49:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:23,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:49:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 08:49:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 08:49:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,842 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 08:49:23,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989587868] [2020-09-25 08:49:23,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:23,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:49:23,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954582294] [2020-09-25 08:49:23,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:49:23,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:23,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:49:23,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:49:23,844 INFO L87 Difference]: Start difference. First operand 536 states and 597 transitions. Second operand 10 states. [2020-09-25 08:49:25,215 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:25,507 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192