/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:37:58,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:37:58,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:37:58,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:37:58,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:37:58,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:37:58,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:37:58,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:37:58,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:37:58,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:37:58,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:37:58,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:37:58,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:37:58,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:37:58,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:37:58,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:37:58,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:37:58,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:37:58,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:37:58,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:37:58,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:37:58,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:37:58,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:37:58,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:37:58,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:37:58,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:37:58,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:37:58,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:37:58,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:37:58,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:37:58,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:37:58,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:37:58,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:37:58,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:37:58,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:37:58,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:37:58,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:37:58,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:37:58,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:37:58,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:37:58,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:37:58,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:37:58,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:37:58,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:37:58,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:37:58,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:37:58,421 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:37:58,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:37:58,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:37:58,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:37:58,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:37:58,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:37:58,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:37:58,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:37:58,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:37:58,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:37:58,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:37:58,423 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:37:58,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:37:58,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:37:58,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:37:58,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:37:58,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:37:58,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:37:58,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:37:58,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:37:58,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:37:58,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:37:58,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:37:58,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:37:58,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:37:58,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:37:58,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:37:58,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:37:58,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:37:58,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:37:58,771 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:37:58,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-10-13 12:37:58,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/516f5f9c7/168eb48b89a24afab8ea44f7d33916a0/FLAG5bdbf3570 [2020-10-13 12:37:59,418 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:37:59,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-10-13 12:37:59,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/516f5f9c7/168eb48b89a24afab8ea44f7d33916a0/FLAG5bdbf3570 [2020-10-13 12:37:59,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/516f5f9c7/168eb48b89a24afab8ea44f7d33916a0 [2020-10-13 12:37:59,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:37:59,734 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:37:59,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:37:59,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:37:59,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:37:59,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:37:59" (1/1) ... [2020-10-13 12:37:59,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248aaf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:59, skipping insertion in model container [2020-10-13 12:37:59,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:37:59" (1/1) ... [2020-10-13 12:37:59,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:37:59,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:38:00,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:38:00,250 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:38:00,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:38:00,384 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:38:00,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00 WrapperNode [2020-10-13 12:38:00,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:38:00,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:38:00,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:38:00,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:38:00,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... [2020-10-13 12:38:00,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:38:00,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:38:00,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:38:00,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:38:00,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:38:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:38:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:38:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:38:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:38:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:38:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:38:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:38:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:38:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:38:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:38:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:38:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:38:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:38:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:38:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:38:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:38:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 12:38:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 12:38:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:38:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:38:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:38:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:38:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:38:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:38:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:38:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:38:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:38:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:38:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:38:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:38:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:38:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:38:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:38:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:38:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:38:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:38:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:38:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:38:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:38:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:38:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:38:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:38:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:38:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:38:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:38:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:38:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:38:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:38:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:38:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:38:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:38:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 12:38:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:38:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:38:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:38:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:38:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:38:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:38:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:38:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:38:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:38:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 12:38:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:38:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:38:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:38:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:38:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:38:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:38:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:38:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:38:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:38:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:38:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:38:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:38:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:38:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:38:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:38:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:38:01,572 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:38:01,573 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:38:01,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:01 BoogieIcfgContainer [2020-10-13 12:38:01,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:38:01,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:38:01,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:38:01,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:38:01,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:37:59" (1/3) ... [2020-10-13 12:38:01,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3032c4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:38:01, skipping insertion in model container [2020-10-13 12:38:01,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:00" (2/3) ... [2020-10-13 12:38:01,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3032c4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:38:01, skipping insertion in model container [2020-10-13 12:38:01,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:01" (3/3) ... [2020-10-13 12:38:01,592 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-10-13 12:38:01,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:38:01,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:38:01,625 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:38:01,646 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:38:01,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:38:01,647 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:38:01,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:38:01,647 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:38:01,647 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:38:01,647 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:38:01,647 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:38:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-10-13 12:38:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:38:01,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:01,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:01,681 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:01,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:01,688 INFO L82 PathProgramCache]: Analyzing trace with hash -154299971, now seen corresponding path program 1 times [2020-10-13 12:38:01,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:01,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435894974] [2020-10-13 12:38:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:02,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:02,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:05,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:06,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:06,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 12:38:06,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:38:06,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 12:38:06,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:38:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:06,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-13 12:38:07,522 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:07,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:38:07,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:07,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:07,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:07,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:07,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:07,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:07,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:07,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:07,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:07,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:07,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:07,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:07,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:07,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:07,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:38:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:07,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:07,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 12:38:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:07,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:07,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:07,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:07,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:07,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435894974] [2020-10-13 12:38:07,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:07,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:38:07,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285257683] [2020-10-13 12:38:07,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:38:07,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:07,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:38:07,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:38:07,708 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-10-13 12:38:08,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:08,902 INFO L93 Difference]: Finished difference Result 296 states and 385 transitions. [2020-10-13 12:38:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:38:08,905 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-13 12:38:08,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:08,929 INFO L225 Difference]: With dead ends: 296 [2020-10-13 12:38:08,930 INFO L226 Difference]: Without dead ends: 164 [2020-10-13 12:38:08,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:38:08,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-13 12:38:09,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 133. [2020-10-13 12:38:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-13 12:38:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-10-13 12:38:09,107 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2020-10-13 12:38:09,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:09,108 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-10-13 12:38:09,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:38:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-10-13 12:38:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:38:09,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:09,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:09,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:38:09,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:09,124 INFO L82 PathProgramCache]: Analyzing trace with hash 401693438, now seen corresponding path program 1 times [2020-10-13 12:38:09,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:09,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17999754] [2020-10-13 12:38:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:09,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:09,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:10,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 12:38:14,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:38:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 12:38:14,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:38:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:38:14,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:14,464 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:14,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:38:14,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:14,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:14,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:14,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:14,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:14,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:14,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:14,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:14,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:14,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:38:14,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:14,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:14,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:14,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:14,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:14,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:14,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:38:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:14,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:14,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:14,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:38:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:14,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:14,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:14,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17999754] [2020-10-13 12:38:14,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:14,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:38:14,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677659201] [2020-10-13 12:38:14,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:38:14,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:14,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:38:14,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:38:14,611 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 5 states. [2020-10-13 12:38:15,114 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:15,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:15,856 INFO L93 Difference]: Finished difference Result 241 states and 296 transitions. [2020-10-13 12:38:15,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:38:15,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-13 12:38:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:15,860 INFO L225 Difference]: With dead ends: 241 [2020-10-13 12:38:15,860 INFO L226 Difference]: Without dead ends: 154 [2020-10-13 12:38:15,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:38:15,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-13 12:38:15,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 124. [2020-10-13 12:38:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-13 12:38:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-10-13 12:38:15,901 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2020-10-13 12:38:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:15,902 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-10-13 12:38:15,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:38:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-10-13 12:38:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 12:38:15,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:15,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:15,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:38:15,904 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:15,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:15,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1332267464, now seen corresponding path program 1 times [2020-10-13 12:38:15,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:15,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894492521] [2020-10-13 12:38:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:15,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:16,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:16,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:16,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:20,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:20,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 12:38:20,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:38:20,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 12:38:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:38:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 12:38:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:38:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:38:21,256 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 12:38:21,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:21,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:21,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:38:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:38:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:21,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894492521] [2020-10-13 12:38:21,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:21,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:38:21,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880459526] [2020-10-13 12:38:21,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:38:21,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:21,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:38:21,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:38:21,393 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 8 states. [2020-10-13 12:38:21,817 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:22,643 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:38:22,927 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:38:23,205 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:38:23,760 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:24,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:24,515 INFO L93 Difference]: Finished difference Result 308 states and 398 transitions. [2020-10-13 12:38:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 12:38:24,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-13 12:38:24,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:24,520 INFO L225 Difference]: With dead ends: 308 [2020-10-13 12:38:24,520 INFO L226 Difference]: Without dead ends: 212 [2020-10-13 12:38:24,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:38:24,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-13 12:38:24,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 179. [2020-10-13 12:38:24,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-13 12:38:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 211 transitions. [2020-10-13 12:38:24,570 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 211 transitions. Word has length 56 [2020-10-13 12:38:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:24,571 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 211 transitions. [2020-10-13 12:38:24,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:38:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 211 transitions. [2020-10-13 12:38:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:38:24,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:24,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:24,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:38:24,577 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:24,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:24,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1949658748, now seen corresponding path program 1 times [2020-10-13 12:38:24,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:24,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674562860] [2020-10-13 12:38:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:24,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:25,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:38:29,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:38:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 12:38:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:38:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 12:38:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:38:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:29,925 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:29,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:29,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:38:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:29,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:29,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:29,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:29,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:29,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:29,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:29,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:29,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:29,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:29,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:29,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:29,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:29,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:29,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:38:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:30,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:38:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:38:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:38:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:38:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:30,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:38:30,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:38:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:38:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:38:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:30,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:38:30,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:38:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:30,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:30,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:30,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:30,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:30,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:30,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:38:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:30,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:30,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:38:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:30,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:30,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:30,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:30,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:30,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674562860] [2020-10-13 12:38:30,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:30,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:38:30,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658749414] [2020-10-13 12:38:30,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:38:30,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:30,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:38:30,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:38:30,115 INFO L87 Difference]: Start difference. First operand 179 states and 211 transitions. Second operand 9 states. [2020-10-13 12:38:31,144 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:31,372 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:38:31,608 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:31,838 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:32,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:32,475 INFO L93 Difference]: Finished difference Result 382 states and 490 transitions. [2020-10-13 12:38:32,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:38:32,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-13 12:38:32,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:32,479 INFO L225 Difference]: With dead ends: 382 [2020-10-13 12:38:32,479 INFO L226 Difference]: Without dead ends: 231 [2020-10-13 12:38:32,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:38:32,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-13 12:38:32,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 190. [2020-10-13 12:38:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-13 12:38:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2020-10-13 12:38:32,528 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 84 [2020-10-13 12:38:32,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:32,528 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2020-10-13 12:38:32,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:38:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2020-10-13 12:38:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:38:32,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:32,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:32,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:38:32,530 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:32,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:32,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1643708674, now seen corresponding path program 1 times [2020-10-13 12:38:32,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:32,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433634305] [2020-10-13 12:38:32,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:32,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:38:37,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:38:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4966 [2020-10-13 12:38:37,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 12:38:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,738 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:37,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:37,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:37,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:37,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:37,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:37,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:37,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:37,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:37,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:37,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:38:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:38:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:37,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:37,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:38:37,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:38:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:37,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:37,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:38:37,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:38:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:37,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:38:37,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:38:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:37,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:37,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:38:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:37,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:38:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:37,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:37,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:37,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:37,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:37,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:37,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:37,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433634305] [2020-10-13 12:38:37,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:37,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:38:37,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420544768] [2020-10-13 12:38:37,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:38:37,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:37,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:38:37,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:38:37,951 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 8 states. [2020-10-13 12:38:38,853 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:39,146 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:39,392 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:40,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:40,092 INFO L93 Difference]: Finished difference Result 400 states and 521 transitions. [2020-10-13 12:38:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:38:40,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:38:40,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:40,095 INFO L225 Difference]: With dead ends: 400 [2020-10-13 12:38:40,096 INFO L226 Difference]: Without dead ends: 238 [2020-10-13 12:38:40,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:38:40,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-13 12:38:40,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 194. [2020-10-13 12:38:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-13 12:38:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 228 transitions. [2020-10-13 12:38:40,167 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 228 transitions. Word has length 84 [2020-10-13 12:38:40,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:40,168 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 228 transitions. [2020-10-13 12:38:40,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:38:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 228 transitions. [2020-10-13 12:38:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:38:40,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:40,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:40,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:38:40,172 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:40,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:40,172 INFO L82 PathProgramCache]: Analyzing trace with hash 81772223, now seen corresponding path program 1 times [2020-10-13 12:38:40,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:40,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298951805] [2020-10-13 12:38:40,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:40,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:38:42,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:38:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2232 [2020-10-13 12:38:42,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:38:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 12:38:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:42,728 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:42,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 12:38:42,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:38:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:42,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:38:42,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:38:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:42,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:42,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:38:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:42,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:42,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:42,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:42,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:38:42,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:42,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:42,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:38:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:42,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:38:42,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:38:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 12:38:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:38:42,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:38:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:42,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:42,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:42,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:42,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:38:43,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:43,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:38:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:43,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:43,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:43,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:43,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:43,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:43,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:43,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:38:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:43,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:43,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:43,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:43,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:43,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:38:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:43,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:43,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:43,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:43,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:38:43,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:38:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:43,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:43,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:43,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:43,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:43,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:43,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:43,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298951805] [2020-10-13 12:38:43,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:43,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:38:43,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808421757] [2020-10-13 12:38:43,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:38:43,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:43,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:38:43,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:38:43,064 INFO L87 Difference]: Start difference. First operand 194 states and 228 transitions. Second operand 8 states. [2020-10-13 12:38:43,557 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:44,096 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:45,373 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:46,739 INFO L93 Difference]: Finished difference Result 694 states and 930 transitions. [2020-10-13 12:38:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 12:38:46,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:38:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:46,744 INFO L225 Difference]: With dead ends: 694 [2020-10-13 12:38:46,744 INFO L226 Difference]: Without dead ends: 528 [2020-10-13 12:38:46,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-13 12:38:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-13 12:38:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 482. [2020-10-13 12:38:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-10-13 12:38:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 595 transitions. [2020-10-13 12:38:46,841 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 595 transitions. Word has length 84 [2020-10-13 12:38:46,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:46,842 INFO L479 AbstractCegarLoop]: Abstraction has 482 states and 595 transitions. [2020-10-13 12:38:46,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:38:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 595 transitions. [2020-10-13 12:38:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-13 12:38:46,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:46,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:46,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:38:46,844 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:46,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:46,844 INFO L82 PathProgramCache]: Analyzing trace with hash -547882727, now seen corresponding path program 1 times [2020-10-13 12:38:46,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:46,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164633369] [2020-10-13 12:38:46,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:47,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 12:38:48,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:38:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1488 [2020-10-13 12:38:48,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:38:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:38:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 12:38:48,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,612 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:38:48,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:48,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:48,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:48,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:48,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:48,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:48,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:48,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:38:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:38:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:48,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:48,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:38:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:48,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:38:48,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:38:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:48,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:48,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:48,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:48,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:48,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 12:38:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:48,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:48,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 12:38:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:48,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:48,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:48,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:48,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:48,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:48,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:48,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:38:48,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164633369] [2020-10-13 12:38:48,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:48,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:38:48,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554876915] [2020-10-13 12:38:48,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:38:48,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:48,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:38:48,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:38:48,782 INFO L87 Difference]: Start difference. First operand 482 states and 595 transitions. Second operand 7 states. [2020-10-13 12:38:49,152 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:51,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:51,100 INFO L93 Difference]: Finished difference Result 962 states and 1298 transitions. [2020-10-13 12:38:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 12:38:51,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-13 12:38:51,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:51,111 INFO L225 Difference]: With dead ends: 962 [2020-10-13 12:38:51,111 INFO L226 Difference]: Without dead ends: 959 [2020-10-13 12:38:51,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:38:51,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-10-13 12:38:51,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 855. [2020-10-13 12:38:51,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2020-10-13 12:38:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1088 transitions. [2020-10-13 12:38:51,348 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1088 transitions. Word has length 88 [2020-10-13 12:38:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:51,349 INFO L479 AbstractCegarLoop]: Abstraction has 855 states and 1088 transitions. [2020-10-13 12:38:51,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:38:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1088 transitions. [2020-10-13 12:38:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 12:38:51,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:51,352 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:51,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:38:51,352 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:51,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:51,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1953930153, now seen corresponding path program 1 times [2020-10-13 12:38:51,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:51,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990239956] [2020-10-13 12:38:51,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:51,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:51,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:51,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:51,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1665 [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 12:38:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 12:38:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:53,351 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:53,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:38:53,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:53,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:53,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:53,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:53,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:53,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:53,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:53,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:38:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:38:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:38:53,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:38:53,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:38:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:53,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:38:53,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:53,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:38:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:53,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:38:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:53,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:53,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:38:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:38:53,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:38:53,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:38:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:38:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:53,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:38:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:53,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:53,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 12:38:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 12:38:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:53,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:53,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:53,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:53,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:53,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:38:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 12:38:53,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990239956] [2020-10-13 12:38:53,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:38:53,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:38:53,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950788147] [2020-10-13 12:38:53,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:38:53,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:53,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:38:53,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:38:53,645 INFO L87 Difference]: Start difference. First operand 855 states and 1088 transitions. Second operand 8 states. [2020-10-13 12:38:54,576 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:55,685 INFO L93 Difference]: Finished difference Result 1719 states and 2247 transitions. [2020-10-13 12:38:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:38:55,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-10-13 12:38:55,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:55,693 INFO L225 Difference]: With dead ends: 1719 [2020-10-13 12:38:55,693 INFO L226 Difference]: Without dead ends: 892 [2020-10-13 12:38:55,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-13 12:38:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-13 12:38:55,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 849. [2020-10-13 12:38:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2020-10-13 12:38:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1066 transitions. [2020-10-13 12:38:55,884 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1066 transitions. Word has length 122 [2020-10-13 12:38:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:55,885 INFO L479 AbstractCegarLoop]: Abstraction has 849 states and 1066 transitions. [2020-10-13 12:38:55,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:38:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1066 transitions. [2020-10-13 12:38:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 12:38:55,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:55,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:55,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:38:55,889 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:55,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:55,889 INFO L82 PathProgramCache]: Analyzing trace with hash -576582650, now seen corresponding path program 1 times [2020-10-13 12:38:55,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:55,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776213707] [2020-10-13 12:38:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:55,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:56,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:56,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:56,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:00,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 12:39:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 12:39:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 12:39:00,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:39:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 12:39:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:39:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,165 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:39:01,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:39:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:39:01,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:39:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:01,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:39:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:39:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:39:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:01,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:39:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:39:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:39:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:39:01,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:39:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 12:39:01,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:39:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:39:01,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:39:01,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:39:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:39:01,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:39:01,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:39:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:39:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:39:01,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:39:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:39:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:39:01,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:39:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:39:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:39:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:39:01,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:39:01,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 12:39:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:39:01,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:39:01,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:39:01,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:01,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:39:01,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:01,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:39:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 12:39:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:39:01,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 12:39:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:01,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:01,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:01,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:01,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:01,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:01,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:39:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 12:39:01,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776213707] [2020-10-13 12:39:01,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:39:01,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 12:39:01,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517111335] [2020-10-13 12:39:01,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:39:01,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:39:01,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:39:01,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:39:01,445 INFO L87 Difference]: Start difference. First operand 849 states and 1066 transitions. Second operand 9 states. [2020-10-13 12:39:02,559 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:39:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:39:03,465 INFO L93 Difference]: Finished difference Result 1507 states and 1944 transitions. [2020-10-13 12:39:03,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 12:39:03,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-13 12:39:03,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:39:03,471 INFO L225 Difference]: With dead ends: 1507 [2020-10-13 12:39:03,471 INFO L226 Difference]: Without dead ends: 751 [2020-10-13 12:39:03,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:39:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-10-13 12:39:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 716. [2020-10-13 12:39:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-13 12:39:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 854 transitions. [2020-10-13 12:39:03,617 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 854 transitions. Word has length 146 [2020-10-13 12:39:03,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:39:03,617 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 854 transitions. [2020-10-13 12:39:03,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:39:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 854 transitions. [2020-10-13 12:39:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 12:39:03,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:39:03,622 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:39:03,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:39:03,622 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:39:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:39:03,623 INFO L82 PathProgramCache]: Analyzing trace with hash -328406551, now seen corresponding path program 1 times [2020-10-13 12:39:03,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:39:03,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571175305] [2020-10-13 12:39:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:39:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:03,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:04,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 12:39:08,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:39:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 12:39:08,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:39:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 12:39:08,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 12:39:08,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:39:08,915 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:39:08,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:39:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:39:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:08,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:39:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:08,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:39:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:08,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:39:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:08,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:08,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:39:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:08,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:39:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:08,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:08,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:39:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:08,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:39:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:39:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:39:09,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:39:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:39:09,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:39:09,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:39:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:39:09,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:39:09,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:39:09,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:39:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:39:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:09,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:39:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:39:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:39:09,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:39:09,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:39:09,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:09,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:09,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:39:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:09,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:09,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:09,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:39:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:39:09,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:39:09,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:39:09,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:39:09,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 12:39:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:39:09,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:39:09,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:39:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:39:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:39:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:39:09,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:39:09,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:39:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:39:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:39:09,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:39:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:39:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:39:09,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:39:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:39:09,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:39:09,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:39:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:39:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:39:09,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:09,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:09,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:09,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:09,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:39:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 12:39:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:09,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:39:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:09,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:39:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:09,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:09,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:09,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:09,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:09,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:09,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:09,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:39:09,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:09,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:39:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 12:39:09,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571175305] [2020-10-13 12:39:09,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:39:09,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 12:39:09,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571729511] [2020-10-13 12:39:09,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 12:39:09,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:39:09,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 12:39:09,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:39:09,312 INFO L87 Difference]: Start difference. First operand 716 states and 854 transitions. Second operand 14 states. [2020-10-13 12:39:09,775 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:39:10,671 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:39:12,183 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-10-13 12:39:12,624 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-10-13 12:39:13,060 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-10-13 12:39:13,834 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:39:14,102 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 12:39:14,336 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:39:14,557 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:39:16,277 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-10-13 12:39:16,766 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-10-13 12:39:17,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:39:17,334 INFO L93 Difference]: Finished difference Result 2317 states and 2933 transitions. [2020-10-13 12:39:17,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-13 12:39:17,334 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-13 12:39:17,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:39:17,346 INFO L225 Difference]: With dead ends: 2317 [2020-10-13 12:39:17,346 INFO L226 Difference]: Without dead ends: 1694 [2020-10-13 12:39:17,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 59 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=568, Invalid=2084, Unknown=0, NotChecked=0, Total=2652 [2020-10-13 12:39:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-10-13 12:39:17,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1527. [2020-10-13 12:39:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2020-10-13 12:39:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1835 transitions. [2020-10-13 12:39:17,586 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1835 transitions. Word has length 148 [2020-10-13 12:39:17,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:39:17,587 INFO L479 AbstractCegarLoop]: Abstraction has 1527 states and 1835 transitions. [2020-10-13 12:39:17,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 12:39:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1835 transitions. [2020-10-13 12:39:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 12:39:17,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:39:17,590 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:39:17,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:39:17,590 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:39:17,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:39:17,591 INFO L82 PathProgramCache]: Analyzing trace with hash -400793109, now seen corresponding path program 1 times [2020-10-13 12:39:17,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:39:17,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262944639] [2020-10-13 12:39:17,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:39:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:17,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3900 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:39:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,748 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:39:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:39:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:39:21,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:39:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:21,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:39:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:21,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:39:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:39:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:39:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:39:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:39:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:39:21,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:39:21,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:39:21,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:21,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:39:21,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:39:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:39:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:39:21,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:39:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:39:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:39:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 12:39:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:39:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:39:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:39:21,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:39:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:39:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:39:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:39:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:39:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:39:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:39:21,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:39:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 12:39:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:39:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:39:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:39:21,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:39:21,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:39:21,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:39:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:39:21,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:39:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:39:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:39:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:39:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:39:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-13 12:39:21,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262944639] [2020-10-13 12:39:21,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:39:21,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 12:39:21,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357794642] [2020-10-13 12:39:21,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:39:21,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:39:21,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:39:21,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:39:21,994 INFO L87 Difference]: Start difference. First operand 1527 states and 1835 transitions. Second operand 11 states. [2020-10-13 12:39:23,383 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:39:23,627 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:39:23,897 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:39:24,124 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:39:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:39:24,278 INFO L93 Difference]: Finished difference Result 1969 states and 2389 transitions. [2020-10-13 12:39:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 12:39:24,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2020-10-13 12:39:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:39:24,283 INFO L225 Difference]: With dead ends: 1969 [2020-10-13 12:39:24,283 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:39:24,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:39:24,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:39:24,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:39:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:39:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:39:24,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-10-13 12:39:24,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:39:24,289 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:39:24,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:39:24,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:39:24,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:39:24,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:39:24,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:39:26,044 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 243 [2020-10-13 12:39:27,517 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 248 [2020-10-13 12:39:28,206 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 244 [2020-10-13 12:39:28,787 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 248 [2020-10-13 12:39:29,900 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-10-13 12:39:30,064 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-13 12:39:30,254 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:30,506 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:39:30,765 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:30,969 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:31,186 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:39:32,021 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-13 12:39:32,295 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 21 [2020-10-13 12:39:32,851 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 28 [2020-10-13 12:39:33,051 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-13 12:39:33,612 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 29 [2020-10-13 12:39:34,118 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 24 [2020-10-13 12:39:34,652 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 21 [2020-10-13 12:39:34,831 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-13 12:39:35,520 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-10-13 12:39:35,909 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2020-10-13 12:39:36,082 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-13 12:39:36,419 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 14 [2020-10-13 12:39:36,609 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:37,479 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 35 [2020-10-13 12:39:37,820 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-13 12:39:38,351 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 28 [2020-10-13 12:39:38,540 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:38,722 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-13 12:39:39,055 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 14 [2020-10-13 12:39:39,767 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-13 12:39:39,920 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-13 12:39:40,111 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:40,825 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-13 12:39:41,005 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-13 12:39:41,509 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 29 [2020-10-13 12:39:41,686 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:42,401 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 28 [2020-10-13 12:39:42,584 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:42,773 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-13 12:39:43,216 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-10-13 12:39:43,361 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-13 12:39:43,674 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2020-10-13 12:39:43,841 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-13 12:39:44,004 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-13 12:39:44,338 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-13 12:39:45,058 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-13 12:39:45,716 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 31 [2020-10-13 12:39:45,721 INFO L268 CegarLoopResult]: For program point L638(line 638) no Hoare annotation was computed. [2020-10-13 12:39:45,721 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 658) no Hoare annotation was computed. [2020-10-13 12:39:45,721 INFO L268 CegarLoopResult]: For program point L659(lines 636 660) no Hoare annotation was computed. [2020-10-13 12:39:45,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 612 667) no Hoare annotation was computed. [2020-10-13 12:39:45,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 612 667) no Hoare annotation was computed. [2020-10-13 12:39:45,722 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-10-13 12:39:45,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 612 667) no Hoare annotation was computed. [2020-10-13 12:39:45,722 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 647) no Hoare annotation was computed. [2020-10-13 12:39:45,722 INFO L268 CegarLoopResult]: For program point L700(lines 700 704) no Hoare annotation was computed. [2020-10-13 12:39:45,722 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 704) no Hoare annotation was computed. [2020-10-13 12:39:45,723 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-10-13 12:39:45,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 668 727) no Hoare annotation was computed. [2020-10-13 12:39:45,723 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 719) no Hoare annotation was computed. [2020-10-13 12:39:45,723 INFO L268 CegarLoopResult]: For program point L720(lines 693 721) no Hoare annotation was computed. [2020-10-13 12:39:45,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 668 727) no Hoare annotation was computed. [2020-10-13 12:39:45,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 668 727) no Hoare annotation was computed. [2020-10-13 12:39:45,724 INFO L268 CegarLoopResult]: For program point L713(line 713) no Hoare annotation was computed. [2020-10-13 12:39:45,724 INFO L268 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-10-13 12:39:45,724 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2020-10-13 12:39:45,725 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2020-10-13 12:39:45,725 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2020-10-13 12:39:45,725 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2020-10-13 12:39:45,725 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2020-10-13 12:39:45,725 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,725 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,726 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,726 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,726 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-13 12:39:45,726 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-13 12:39:45,726 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,727 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-13 12:39:45,727 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 12:39:45,728 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2020-10-13 12:39:45,729 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2020-10-13 12:39:45,729 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point L549(lines 549 553) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point L504(lines 504 512) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point L504-2(lines 504 512) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 485 520) no Hoare annotation was computed. [2020-10-13 12:39:45,730 INFO L268 CegarLoopResult]: For program point L492(lines 492 500) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 485 520) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 485 520) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point L515-1(line 515) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 566 611) no Hoare annotation was computed. [2020-10-13 12:39:45,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 566 611) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 566 611) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 879 924) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 879 924) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 879 924) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,732 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-10-13 12:39:45,732 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 465 475) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 465 475) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 465 475) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 0)) [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2020-10-13 12:39:45,733 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~waterLevel~0 0)))) [2020-10-13 12:39:45,733 INFO L268 CegarLoopResult]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2020-10-13 12:39:45,734 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2020-10-13 12:39:45,734 INFO L264 CegarLoopResult]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~waterLevel~0 0)))) [2020-10-13 12:39:45,734 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~waterLevel~0 0)))) [2020-10-13 12:39:45,734 INFO L264 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~4)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~waterLevel~0 0)))) [2020-10-13 12:39:45,734 INFO L268 CegarLoopResult]: For program point L432(lines 432 440) no Hoare annotation was computed. [2020-10-13 12:39:45,734 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 0)))) [2020-10-13 12:39:45,734 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-10-13 12:39:45,734 INFO L268 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-10-13 12:39:45,734 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2020-10-13 12:39:45,734 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2020-10-13 12:39:45,734 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,735 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (< 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-13 12:39:45,735 INFO L264 CegarLoopResult]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (< 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (and .cse0 (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-13 12:39:45,735 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-10-13 12:39:45,735 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-10-13 12:39:45,735 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2020-10-13 12:39:45,735 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-10-13 12:39:45,735 INFO L264 CegarLoopResult]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,735 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-10-13 12:39:45,736 INFO L264 CegarLoopResult]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (< 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-13 12:39:45,736 INFO L268 CegarLoopResult]: For program point L307(lines 306 351) no Hoare annotation was computed. [2020-10-13 12:39:45,736 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-10-13 12:39:45,736 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (< 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-13 12:39:45,736 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-10-13 12:39:45,736 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 833 878) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point L853(lines 853 860) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 833 878) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 833 878) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point L847(lines 847 867) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point L847-1(lines 847 867) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2020-10-13 12:39:45,737 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2020-10-13 12:39:45,738 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2020-10-13 12:39:45,738 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse2 (= ~waterLevel~0 0)))) [2020-10-13 12:39:45,738 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-10-13 12:39:45,738 INFO L268 CegarLoopResult]: For program point L278(lines 278 288) no Hoare annotation was computed. [2020-10-13 12:39:45,738 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (not (<= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 0)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 (not (<= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:39:45,738 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-10-13 12:39:45,738 INFO L268 CegarLoopResult]: For program point L274(lines 274 291) no Hoare annotation was computed. [2020-10-13 12:39:45,739 INFO L268 CegarLoopResult]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2020-10-13 12:39:45,739 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (not (<= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 0)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 (not (<= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:39:45,739 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (not (<= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 0)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 (not (<= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:39:45,739 INFO L268 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-10-13 12:39:45,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2020-10-13 12:39:45,739 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:39:45,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2020-10-13 12:39:45,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2020-10-13 12:39:45,739 INFO L268 CegarLoopResult]: For program point L207(lines 207 215) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 199 221) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 199 221) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 199 221) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 730 832) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L795-1(line 795) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L818(lines 818 829) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L779-2(lines 779 799) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 730 832) no Hoare annotation was computed. [2020-10-13 12:39:45,740 INFO L268 CegarLoopResult]: For program point L800(lines 778 801) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point L759(lines 759 775) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point L819(lines 819 826) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 730 832) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point L780(lines 779 799) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point L811-1(line 811) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point L776(lines 776 817) no Hoare annotation was computed. [2020-10-13 12:39:45,741 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 936 945) no Hoare annotation was computed. [2020-10-13 12:39:45,742 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 936 945) no Hoare annotation was computed. [2020-10-13 12:39:45,742 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 936 945) no Hoare annotation was computed. [2020-10-13 12:39:45,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,742 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:39:45,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:39:45,743 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 222 230) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 222 230) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 222 230) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2020-10-13 12:39:45,743 INFO L271 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: true [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) .cse0 (not (<= 0 ~methAndRunningLastTime~0)) .cse1))) [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,744 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,745 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-13 12:39:45,745 INFO L264 CegarLoopResult]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~pumpRunning~0 0) .cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse2 .cse1 (< 1 ~waterLevel~0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))))) [2020-10-13 12:39:45,745 INFO L264 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-13 12:39:45,745 INFO L268 CegarLoopResult]: For program point L370(lines 369 388) no Hoare annotation was computed. [2020-10-13 12:39:45,745 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-13 12:39:45,745 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-10-13 12:39:45,746 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-13 12:39:45,746 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-10-13 12:39:45,746 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2020-10-13 12:39:45,746 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2020-10-13 12:39:45,747 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2020-10-13 12:39:45,747 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2020-10-13 12:39:45,747 INFO L268 CegarLoopResult]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2020-10-13 12:39:45,747 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2020-10-13 12:39:45,747 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-10-13 12:39:45,747 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-10-13 12:39:45,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,747 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-13 12:39:45,747 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:39:45,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) [2020-10-13 12:39:45,748 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~3 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (<= ~methAndRunningLastTime~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1))))) [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point L406(lines 406 414) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point L402(lines 402 419) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2020-10-13 12:39:45,748 INFO L268 CegarLoopResult]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2020-10-13 12:39:45,749 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) .cse1 (not (<= 0 ~methAndRunningLastTime~0))))) [2020-10-13 12:39:45,749 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2020-10-13 12:39:45,749 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2020-10-13 12:39:45,749 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2020-10-13 12:39:45,749 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2020-10-13 12:39:45,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:39:45 BoogieIcfgContainer [2020-10-13 12:39:45,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:39:45,768 INFO L168 Benchmark]: Toolchain (without parser) took 106034.06 ms. Allocated memory was 146.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.0 MB in the beginning and 1.1 GB in the end (delta: -982.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-13 12:39:45,768 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:39:45,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.12 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.8 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:39:45,770 INFO L168 Benchmark]: Boogie Preprocessor took 88.74 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 164.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:39:45,771 INFO L168 Benchmark]: RCFGBuilder took 1106.95 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.6 MB in the beginning and 193.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:39:45,771 INFO L168 Benchmark]: TraceAbstraction took 104181.93 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 193.5 MB in the beginning and 1.1 GB in the end (delta: -890.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-13 12:39:45,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.12 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.8 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.74 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 164.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1106.95 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.6 MB in the beginning and 193.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 104181.93 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 193.5 MB in the beginning and 1.1 GB in the end (delta: -890.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || !(0 <= \old(methAndRunningLastTime))) || 0 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) <= 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter <= 0) && 1 < waterLevel) || !(\old(waterLevel) == 1)) || !(0 <= \old(methAndRunningLastTime))) || 0 == systemActive) || (((splverifierCounter <= 0 && 0 <= methAndRunningLastTime) && methAndRunningLastTime <= 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 30.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1437 SDtfs, 3685 SDslu, 1443 SDs, 0 SdLazy, 6217 SolverSat, 2566 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 559 GetRequests, 378 SyntacticMatches, 6 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1110 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 574 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2069 PreInvPairs, 2154 NumberOfFragments, 1556 HoareAnnotationTreeSize, 2069 FomulaSimplifications, 37028838 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 120676 FormulaSimplificationTreeSizeReductionInter, 16.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 49.9s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 1063 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1052 ConstructedInterpolants, 0 QuantifiedInterpolants, 389861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 136/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...