/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=DEEPEST --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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:49:13,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:49:13,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:49:13,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:49:13,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:49:13,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:49:13,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:49:13,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:49:13,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:49:13,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:49:13,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:49:13,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:49:13,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:49:13,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:49:13,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:49:13,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:49:13,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:49:13,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:49:13,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:49:13,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:49:13,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:49:13,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:49:13,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:49:13,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:49:13,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:49:13,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:49:13,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:49:13,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:49:13,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:49:13,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:49:13,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:49:13,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:49:13,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:49:13,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:49:13,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:49:13,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:49:13,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:49:13,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:49:13,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:49:13,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:49:13,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:49:13,434 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 00:49:13,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:49:13,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:49:13,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:49:13,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:49:13,461 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:49:13,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:49:13,462 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:49:13,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:49:13,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:49:13,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:49:13,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:49:13,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:49:13,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:49:13,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:49:13,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:49:13,464 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:49:13,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:49:13,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:49:13,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:49:13,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:49:13,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:49:13,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:49:13,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:49:13,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:49:13,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:49:13,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:49:13,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:49:13,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:49:13,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:49:13,467 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:49:13,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:49:13,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:49:13,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:49:13,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:49:13,988 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:49:13,990 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-09-25 00:49:14,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12e16243a/0d65c099337447b2b836a8fb3aea5724/FLAGb12f5c5b4 [2020-09-25 00:49:14,767 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:49:14,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-09-25 00:49:14,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12e16243a/0d65c099337447b2b836a8fb3aea5724/FLAGb12f5c5b4 [2020-09-25 00:49:15,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12e16243a/0d65c099337447b2b836a8fb3aea5724 [2020-09-25 00:49:15,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:49:15,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:49:15,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:49:15,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:49:15,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:49:15,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2876d654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15, skipping insertion in model container [2020-09-25 00:49:15,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:49:15,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:49:15,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:49:15,655 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:49:15,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:49:15,780 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:49:15,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15 WrapperNode [2020-09-25 00:49:15,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:49:15,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:49:15,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:49:15,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:49:15,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (1/1) ... [2020-09-25 00:49:15,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:49:15,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:49:15,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:49:15,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:49:15,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (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 00:49:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:49:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:49:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:49:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:49:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:49:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:49:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:49:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:49:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:49:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:49:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:49:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:49:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:49:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:49:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:49:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:49:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:49:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:49:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:49:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:49:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:49:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:49:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:49:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:49:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:49:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:49:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:49:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:49:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:49:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:49:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:49:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:49:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:49:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:49:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:49:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:49:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:49:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:49:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:49:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:49:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:49:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:49:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:49:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:49:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:49:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:49:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:49:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:49:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:49:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:49:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:49:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:49:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:49:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:49:17,242 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:49:17,243 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:49:17,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:49:17 BoogieIcfgContainer [2020-09-25 00:49:17,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:49:17,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:49:17,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:49:17,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:49:17,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:49:15" (1/3) ... [2020-09-25 00:49:17,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb5c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:49:17, skipping insertion in model container [2020-09-25 00:49:17,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:15" (2/3) ... [2020-09-25 00:49:17,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb5c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:49:17, skipping insertion in model container [2020-09-25 00:49:17,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:49:17" (3/3) ... [2020-09-25 00:49:17,260 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-09-25 00:49:17,274 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:49:17,285 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:49:17,311 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:49:17,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:49:17,350 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:49:17,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:49:17,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:49:17,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:49:17,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:49:17,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:49:17,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:49:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-09-25 00:49:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:49:17,398 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:17,400 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 00:49:17,400 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:17,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:17,409 INFO L82 PathProgramCache]: Analyzing trace with hash -505223446, now seen corresponding path program 1 times [2020-09-25 00:49:17,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:17,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815555043] [2020-09-25 00:49:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:17,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:22,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:22,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:22,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:49:22,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:49:22,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 00:49:22,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:49:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:49:22,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 00:49:23,440 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:23,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 00:49:23,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:23,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:23,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:23,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:23,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:23,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:23,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:23,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:23,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:23,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:23,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:23,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:23,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:23,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:23,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:49:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:23,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:23,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:23,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:23,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:23,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:49:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:23,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:23,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:23,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:49:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:23,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:23,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:23,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:23,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:23,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:49:23,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:23,836 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 00:49:23,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815555043] [2020-09-25 00:49:23,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:23,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:49:23,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955066070] [2020-09-25 00:49:23,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:49:23,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:23,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:49:23,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:49:23,872 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 9 states. [2020-09-25 00:49:24,620 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:25,394 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:25,719 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:49:27,228 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:27,502 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:27,876 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:28,576 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:28,902 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:49:29,217 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:29,892 INFO L93 Difference]: Finished difference Result 631 states and 768 transitions. [2020-09-25 00:49:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:49:29,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:49:29,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:29,937 INFO L225 Difference]: With dead ends: 631 [2020-09-25 00:49:29,937 INFO L226 Difference]: Without dead ends: 424 [2020-09-25 00:49:29,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:49:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-09-25 00:49:30,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 375. [2020-09-25 00:49:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 00:49:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 422 transitions. [2020-09-25 00:49:30,106 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 422 transitions. Word has length 160 [2020-09-25 00:49:30,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:30,110 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 422 transitions. [2020-09-25 00:49:30,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:49:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2020-09-25 00:49:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 00:49:30,129 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:30,129 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] [2020-09-25 00:49:30,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:49:30,130 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:30,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:30,131 INFO L82 PathProgramCache]: Analyzing trace with hash 760486954, now seen corresponding path program 1 times [2020-09-25 00:49:30,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:30,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391021289] [2020-09-25 00:49:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:30,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:30,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 00:49:32,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:32,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1944 [2020-09-25 00:49:32,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:32,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 00:49:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,456 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:32,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 00:49:32,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:32,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:32,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:32,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:32,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:32,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:32,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:32,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:32,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:49:32,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:32,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:32,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:49:32,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:32,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:32,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:32,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:32,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:32,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 00:49:32,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:49:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:32,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-25 00:49:32,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:49:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:33,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:33,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:33,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 00:49:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:49:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:33,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:33,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:33,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:33,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:33,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:49:33,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:33,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:49:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:33,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:33,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:33,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:33,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:33,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:49:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 00:49:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:33,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:33,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:33,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:33,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:33,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:33,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:33,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:33,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:33,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:33,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 00:49:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:33,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:33,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:33,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:33,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:33,165 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 00:49:33,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391021289] [2020-09-25 00:49:33,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:33,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:49:33,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730420167] [2020-09-25 00:49:33,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:49:33,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:33,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:49:33,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:49:33,170 INFO L87 Difference]: Start difference. First operand 375 states and 422 transitions. Second operand 9 states. [2020-09-25 00:49:34,490 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:34,808 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:35,156 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:35,520 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:35,792 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:36,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:36,933 INFO L93 Difference]: Finished difference Result 734 states and 901 transitions. [2020-09-25 00:49:36,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:49:36,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 199 [2020-09-25 00:49:36,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:36,945 INFO L225 Difference]: With dead ends: 734 [2020-09-25 00:49:36,946 INFO L226 Difference]: Without dead ends: 474 [2020-09-25 00:49:36,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:49:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-25 00:49:37,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 390. [2020-09-25 00:49:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-09-25 00:49:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 443 transitions. [2020-09-25 00:49:37,018 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 443 transitions. Word has length 199 [2020-09-25 00:49:37,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:37,018 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 443 transitions. [2020-09-25 00:49:37,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:49:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 443 transitions. [2020-09-25 00:49:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:49:37,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:37,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:37,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:49:37,023 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:37,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:37,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1065158485, now seen corresponding path program 1 times [2020-09-25 00:49:37,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:37,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116044124] [2020-09-25 00:49:37,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:37,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 00:49:38,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-09-25 00:49:38,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 00:49:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,406 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:38,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 00:49:38,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:38,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:38,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:38,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:38,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:38,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:38,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:38,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:38,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:38,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:38,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:49:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:38,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:38,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:38,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:38,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:49:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:38,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 00:49:38,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:49:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:38,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:38,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 00:49:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:49:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:38,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 00:49:38,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:49:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:38,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:38,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:38,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:38,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:49:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 00:49:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:38,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:38,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:38,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 00:49:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:38,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:38,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:38,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:39,031 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 00:49:39,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116044124] [2020-09-25 00:49:39,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:39,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:49:39,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029183121] [2020-09-25 00:49:39,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:49:39,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:39,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:49:39,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:49:39,037 INFO L87 Difference]: Start difference. First operand 390 states and 443 transitions. Second operand 10 states. [2020-09-25 00:49:40,797 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:41,115 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:49:41,472 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 00:49:41,808 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:42,191 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:42,497 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:43,504 INFO L93 Difference]: Finished difference Result 752 states and 909 transitions. [2020-09-25 00:49:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:49:43,505 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-09-25 00:49:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:43,510 INFO L225 Difference]: With dead ends: 752 [2020-09-25 00:49:43,510 INFO L226 Difference]: Without dead ends: 477 [2020-09-25 00:49:43,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:49:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-25 00:49:43,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 398. [2020-09-25 00:49:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-09-25 00:49:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 451 transitions. [2020-09-25 00:49:43,564 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 451 transitions. Word has length 208 [2020-09-25 00:49:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:43,565 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 451 transitions. [2020-09-25 00:49:43,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:49:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 451 transitions. [2020-09-25 00:49:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:49:43,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:43,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:43,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:49:43,569 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:43,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:43,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1630448242, now seen corresponding path program 1 times [2020-09-25 00:49:43,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:43,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256266137] [2020-09-25 00:49:43,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:43,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:45,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:45,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 00:49:45,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:45,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1760 [2020-09-25 00:49:45,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 00:49:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 00:49:45,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:45,741 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:45,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:45,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:46,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-25 00:49:46,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 00:49:46,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:46,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:46,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:46,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:46,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:46,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:46,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:46,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:46,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:46,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:49:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:46,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:46,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:46,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 00:49:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:46,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 00:49:46,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 00:49:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:49:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:46,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 00:49:46,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:49:46,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:46,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 00:49:46,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:46,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:46,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:46,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 00:49:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 00:49:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:46,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:46,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:46,368 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 00:49:46,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256266137] [2020-09-25 00:49:46,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:46,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 00:49:46,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882960321] [2020-09-25 00:49:46,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 00:49:46,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:46,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 00:49:46,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:49:46,371 INFO L87 Difference]: Start difference. First operand 398 states and 451 transitions. Second operand 7 states. [2020-09-25 00:49:46,914 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:48,503 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:51,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:51,086 INFO L93 Difference]: Finished difference Result 1248 states and 1620 transitions. [2020-09-25 00:49:51,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 00:49:51,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-25 00:49:51,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:51,095 INFO L225 Difference]: With dead ends: 1248 [2020-09-25 00:49:51,095 INFO L226 Difference]: Without dead ends: 947 [2020-09-25 00:49:51,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:49:51,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-09-25 00:49:51,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 804. [2020-09-25 00:49:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-09-25 00:49:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 961 transitions. [2020-09-25 00:49:51,229 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 961 transitions. Word has length 208 [2020-09-25 00:49:51,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:51,230 INFO L479 AbstractCegarLoop]: Abstraction has 804 states and 961 transitions. [2020-09-25 00:49:51,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 00:49:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 961 transitions. [2020-09-25 00:49:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 00:49:51,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:51,235 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:51,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:49:51,235 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:51,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:51,236 INFO L82 PathProgramCache]: Analyzing trace with hash -674630180, now seen corresponding path program 1 times [2020-09-25 00:49:51,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:51,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873128263] [2020-09-25 00:49:51,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:51,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 00:49:56,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 00:49:56,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-25 00:49:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-25 00:49:56,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,767 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:56,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:56,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 00:49:56,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:56,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:56,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:56,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:56,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:56,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:56,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:56,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:56,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:56,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:56,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:56,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:49:57,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:49:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:49:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:57,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:57,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:57,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:57,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 00:49:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:49:57,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:49:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 00:49:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:57,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 00:49:57,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:49:57,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:57,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:49:57,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:57,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:57,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:57,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:57,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:57,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:57,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 00:49:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:57,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:57,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 00:49:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:57,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:57,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:57,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:57,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:57,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:57,355 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 00:49:57,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873128263] [2020-09-25 00:49:57,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:57,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 00:49:57,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76561379] [2020-09-25 00:49:57,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 00:49:57,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:57,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 00:49:57,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:49:57,358 INFO L87 Difference]: Start difference. First operand 804 states and 961 transitions. Second operand 14 states. [2020-09-25 00:49:57,900 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:58,815 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:59,733 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:59,988 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:00,330 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:00,654 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:00,986 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:01,470 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:01,784 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:03,095 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:03,452 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:03,824 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:04,165 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193