/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_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:52:23,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:52:23,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:52:23,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:52:23,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:52:23,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:52:23,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:52:23,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:52:23,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:52:23,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:52:23,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:52:23,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:52:23,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:52:23,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:52:23,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:52:23,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:52:23,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:52:23,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:52:23,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:52:23,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:52:23,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:52:23,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:52:23,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:52:23,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:52:23,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:52:23,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:52:23,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:52:23,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:52:23,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:52:23,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:52:23,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:52:23,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:52:23,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:52:23,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:52:23,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:52:23,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:52:23,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:52:23,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:52:23,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:52:23,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:52:23,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:52:23,405 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 12:52:23,430 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:52:23,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:52:23,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:52:23,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:52:23,432 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:52:23,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:52:23,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:52:23,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:52:23,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:52:23,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:52:23,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:52:23,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:52:23,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:52:23,433 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:52:23,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:52:23,434 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:52:23,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:52:23,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:52:23,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:52:23,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:52:23,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:52:23,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:52:23,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:52:23,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:52:23,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:52:23,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:52:23,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:52:23,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:52:23,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:52:23,437 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 12:52:23,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:52:23,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:52:23,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:52:23,781 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:52:23,782 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:52:23,782 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-10-13 12:52:23,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51e50473e/22d61597e4eb47e6857afd1d95fb500f/FLAG90e5703e0 [2020-10-13 12:52:24,386 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:52:24,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-10-13 12:52:24,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51e50473e/22d61597e4eb47e6857afd1d95fb500f/FLAG90e5703e0 [2020-10-13 12:52:24,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51e50473e/22d61597e4eb47e6857afd1d95fb500f [2020-10-13 12:52:24,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:52:24,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:52:24,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:52:24,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:52:24,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:52:24,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:24" (1/1) ... [2020-10-13 12:52:24,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514343ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:24, skipping insertion in model container [2020-10-13 12:52:24,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:24" (1/1) ... [2020-10-13 12:52:24,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:52:24,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:52:25,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:52:25,225 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:52:25,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:52:25,368 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:52:25,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25 WrapperNode [2020-10-13 12:52:25,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:52:25,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:52:25,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:52:25,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:52:25,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2020-10-13 12:52:25,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:52:25,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:52:25,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:52:25,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:52:25,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (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 12:52:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:52:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:52:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:52:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:52:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:52:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:52:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:52:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:52:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:52:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:52:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:52:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:52:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:52:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:52:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:52:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:52:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:52:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:52:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:52:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:52:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:52:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:52:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:52:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:52:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:52:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:52:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:52:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:52:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:52:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:52:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:52:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:52:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:52:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:52:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:52:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:52:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:52:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:52:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:52:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:52:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:52:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:52:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:52:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:52:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:52:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:52:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:52:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:52:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:52:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:52:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:52:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:52:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:52:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:52:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:52:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:52:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:52:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:52:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:52:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:52:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:52:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:52:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:52:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:52:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:52:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:52:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:52:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:52:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:52:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:52:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:52:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:52:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:52:26,617 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:52:26,617 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:52:26,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:26 BoogieIcfgContainer [2020-10-13 12:52:26,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:52:26,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:52:26,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:52:26,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:52:26,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:24" (1/3) ... [2020-10-13 12:52:26,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672585a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:26, skipping insertion in model container [2020-10-13 12:52:26,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (2/3) ... [2020-10-13 12:52:26,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672585a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:26, skipping insertion in model container [2020-10-13 12:52:26,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:26" (3/3) ... [2020-10-13 12:52:26,637 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-10-13 12:52:26,648 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:52:26,657 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:52:26,673 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:52:26,700 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:52:26,701 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:52:26,701 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:52:26,701 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:52:26,702 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:52:26,702 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:52:26,702 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:52:26,702 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:52:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-13 12:52:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:52:26,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:26,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:26,737 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:26,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:26,744 INFO L82 PathProgramCache]: Analyzing trace with hash -878720759, now seen corresponding path program 1 times [2020-10-13 12:52:26,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:26,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958914515] [2020-10-13 12:52:26,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:27,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:27,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:28,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:28,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:29,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:52:32,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:52:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 12:52:32,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:52:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:52:32,492 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:32,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:52:32,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:32,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:32,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:32,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:32,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:32,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:52:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:32,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:32,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:52:32,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:32,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:52:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:32,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:52:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:32,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:32,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:32,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:32,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:32,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:32,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958914515] [2020-10-13 12:52:32,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:32,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:52:32,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401060399] [2020-10-13 12:52:32,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:52:32,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:32,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:52:32,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:52:32,661 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2020-10-13 12:52:33,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:33,904 INFO L93 Difference]: Finished difference Result 318 states and 410 transitions. [2020-10-13 12:52:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:52:33,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:52:33,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:33,922 INFO L225 Difference]: With dead ends: 318 [2020-10-13 12:52:33,923 INFO L226 Difference]: Without dead ends: 175 [2020-10-13 12:52:33,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:52:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-13 12:52:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 144. [2020-10-13 12:52:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-13 12:52:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-10-13 12:52:34,026 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2020-10-13 12:52:34,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:34,027 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-10-13 12:52:34,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:52:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-10-13 12:52:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:52:34,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:34,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:34,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:52:34,037 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:34,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:34,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1980606616, now seen corresponding path program 1 times [2020-10-13 12:52:34,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:34,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672464954] [2020-10-13 12:52:34,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:34,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:34,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:34,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:52:39,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:52:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 12:52:39,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:39,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:52:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:52:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:39,416 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:39,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:39,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 12:52:39,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:39,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:39,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:39,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:39,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:39,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:39,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:52:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:39,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:39,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:52:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:52:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:39,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:52:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:39,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:39,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672464954] [2020-10-13 12:52:39,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:39,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:52:39,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619358162] [2020-10-13 12:52:39,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:52:39,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:39,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:52:39,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:52:39,542 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 5 states. [2020-10-13 12:52:40,103 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:41,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:41,044 INFO L93 Difference]: Finished difference Result 257 states and 314 transitions. [2020-10-13 12:52:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:52:41,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:52:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:41,048 INFO L225 Difference]: With dead ends: 257 [2020-10-13 12:52:41,049 INFO L226 Difference]: Without dead ends: 165 [2020-10-13 12:52:41,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:52:41,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-13 12:52:41,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2020-10-13 12:52:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-13 12:52:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2020-10-13 12:52:41,103 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 60 [2020-10-13 12:52:41,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:41,104 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2020-10-13 12:52:41,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:52:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2020-10-13 12:52:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 12:52:41,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:41,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:41,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:52:41,107 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:41,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:41,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1839911150, now seen corresponding path program 1 times [2020-10-13 12:52:41,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:41,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729899878] [2020-10-13 12:52:41,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:41,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:41,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:42,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:52:44,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:52:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3171 [2020-10-13 12:52:44,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:52:44,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 12:52:44,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:52:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,693 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:44,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 12:52:44,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:44,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:44,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:44,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:44,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:44,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:44,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:44,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:44,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:44,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:44,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:44,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:52:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:44,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:44,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:44,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:44,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:44,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 12:52:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:44,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:44,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 12:52:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:44,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:44,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:44,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:52:44,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:52:44,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729899878] [2020-10-13 12:52:44,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:44,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:52:44,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767964626] [2020-10-13 12:52:44,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:52:44,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:44,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:52:44,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:52:44,900 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 8 states. [2020-10-13 12:52:45,346 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:45,994 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:52:46,834 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:47,149 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:47,630 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:52:47,880 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:52:48,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:48,279 INFO L93 Difference]: Finished difference Result 336 states and 429 transitions. [2020-10-13 12:52:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:52:48,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-13 12:52:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:48,283 INFO L225 Difference]: With dead ends: 336 [2020-10-13 12:52:48,283 INFO L226 Difference]: Without dead ends: 229 [2020-10-13 12:52:48,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:52:48,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-13 12:52:48,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 197. [2020-10-13 12:52:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-13 12:52:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 234 transitions. [2020-10-13 12:52:48,354 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 234 transitions. Word has length 64 [2020-10-13 12:52:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:48,354 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 234 transitions. [2020-10-13 12:52:48,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:52:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 234 transitions. [2020-10-13 12:52:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 12:52:48,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:48,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:48,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:52:48,357 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:48,358 INFO L82 PathProgramCache]: Analyzing trace with hash -742421187, now seen corresponding path program 1 times [2020-10-13 12:52:48,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:48,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064117159] [2020-10-13 12:52:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 12:52:48,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-13 12:52:48,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:52:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 12:52:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:52:48,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,866 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:48,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:52:48,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:48,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:48,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:48,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:48,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:48,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:48,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:48,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:48,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:52:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:48,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:48,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:48,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:48,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:48,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:48,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:52:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:52:49,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:52:49,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:52:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:52:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:52:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:52:49,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:52:49,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:52:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:52:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:52:49,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:52:49,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:52:49,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:52:49,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:52:49,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:49,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:52:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:52:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:49,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:49,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:52:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:49,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:49,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:49,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:49,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064117159] [2020-10-13 12:52:49,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:49,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:52:49,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230265868] [2020-10-13 12:52:49,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:52:49,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:49,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:52:49,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:52:49,155 INFO L87 Difference]: Start difference. First operand 197 states and 234 transitions. Second operand 9 states. [2020-10-13 12:52:50,335 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:52:50,589 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:52:50,869 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:52:51,115 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:51,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:51,845 INFO L93 Difference]: Finished difference Result 420 states and 533 transitions. [2020-10-13 12:52:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:52:51,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-13 12:52:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:51,853 INFO L225 Difference]: With dead ends: 420 [2020-10-13 12:52:51,853 INFO L226 Difference]: Without dead ends: 251 [2020-10-13 12:52:51,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:52:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-13 12:52:51,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 211. [2020-10-13 12:52:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-13 12:52:51,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 250 transitions. [2020-10-13 12:52:51,897 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 250 transitions. Word has length 92 [2020-10-13 12:52:51,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:51,897 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 250 transitions. [2020-10-13 12:52:51,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:52:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2020-10-13 12:52:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 12:52:51,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:51,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:51,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:52:51,900 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:51,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:51,900 INFO L82 PathProgramCache]: Analyzing trace with hash -40821313, now seen corresponding path program 1 times [2020-10-13 12:52:51,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:51,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618420877] [2020-10-13 12:52:51,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 12:52:52,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-13 12:52:52,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 12:52:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,406 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:52,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 12:52:52,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:52,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:52,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:52,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:52,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:52,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:52,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:52,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:52:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:52,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:52,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:52,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:52,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:52:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:52:52,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:52:52,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:52,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:52:52,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:52,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:52:52,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:52:52,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:52:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:52:52,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:52:52,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:52,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:52:52,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:52,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:52:52,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:52,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:52:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:52:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:52,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:52:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:52,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:52:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:52,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:52,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:52,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:52,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:52,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618420877] [2020-10-13 12:52:52,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:52,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:52:52,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434743884] [2020-10-13 12:52:52,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:52:52,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:52,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:52:52,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:52:52,624 INFO L87 Difference]: Start difference. First operand 211 states and 250 transitions. Second operand 8 states. [2020-10-13 12:52:53,650 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:53,918 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:54,150 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:54,817 INFO L93 Difference]: Finished difference Result 441 states and 566 transitions. [2020-10-13 12:52:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:52:54,818 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-13 12:52:54,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:54,820 INFO L225 Difference]: With dead ends: 441 [2020-10-13 12:52:54,820 INFO L226 Difference]: Without dead ends: 258 [2020-10-13 12:52:54,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 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 12:52:54,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-10-13 12:52:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 215. [2020-10-13 12:52:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-13 12:52:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2020-10-13 12:52:54,864 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 254 transitions. Word has length 92 [2020-10-13 12:52:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:54,864 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 254 transitions. [2020-10-13 12:52:54,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:52:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2020-10-13 12:52:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 12:52:54,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:54,866 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:54,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:52:54,866 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:54,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:54,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1684659584, now seen corresponding path program 1 times [2020-10-13 12:52:54,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:54,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115533291] [2020-10-13 12:52:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:54,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 12:52:55,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-13 12:52:55,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:52:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 12:52:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,723 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 12:52:55,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:52:55,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:55,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:52:55,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:52:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:55,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:55,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:52:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:55,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:52:55,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:55,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:52:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:55,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:52:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:52:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:52:55,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:52:55,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:52:55,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 12:52:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:52:55,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:52:55,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:52:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:52:55,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:52:55,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:52:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:52:55,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:52:55,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:52:55,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:52:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:55,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:52:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:52:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:55,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:56,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115533291] [2020-10-13 12:52:56,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:56,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:52:56,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222471253] [2020-10-13 12:52:56,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:52:56,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:56,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:52:56,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:52:56,010 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. Second operand 8 states. [2020-10-13 12:52:56,448 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:57,019 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:58,495 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:59,853 INFO L93 Difference]: Finished difference Result 790 states and 1041 transitions. [2020-10-13 12:52:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 12:52:59,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-13 12:52:59,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:59,859 INFO L225 Difference]: With dead ends: 790 [2020-10-13 12:52:59,859 INFO L226 Difference]: Without dead ends: 603 [2020-10-13 12:52:59,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-13 12:52:59,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-10-13 12:52:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 558. [2020-10-13 12:52:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 12:52:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 686 transitions. [2020-10-13 12:52:59,958 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 686 transitions. Word has length 92 [2020-10-13 12:52:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:59,958 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 686 transitions. [2020-10-13 12:52:59,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:52:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 686 transitions. [2020-10-13 12:52:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-13 12:52:59,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:59,960 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:59,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:52:59,961 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:59,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:59,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1838654426, now seen corresponding path program 1 times [2020-10-13 12:52:59,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:59,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831078189] [2020-10-13 12:52:59,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:00,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:00,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 12:53:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:53:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1591 [2020-10-13 12:53:01,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:53:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 12:53:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 12:53:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,857 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:01,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:53:01,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:01,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:01,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:01,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:01,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:01,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:01,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:01,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:01,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:53:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:01,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:01,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:53:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:53:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:01,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:01,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:53:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:01,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:01,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:01,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:01,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:01,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:01,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:53:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:02,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:53:02,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:53:02,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:53:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:02,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:02,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:53:02,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:53:02,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:02,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:02,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:02,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:53:02,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:02,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:02,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:53:02,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:02,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:02,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:02,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:02,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:53:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:02,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:02,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:02,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:53:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:02,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:02,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:02,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:02,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:53:02,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831078189] [2020-10-13 12:53:02,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:53:02,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 12:53:02,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33268498] [2020-10-13 12:53:02,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:53:02,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:02,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:53:02,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:53:02,126 INFO L87 Difference]: Start difference. First operand 558 states and 686 transitions. Second operand 12 states. [2020-10-13 12:53:02,603 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:03,425 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:53:03,719 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:53:04,048 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:04,859 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:53:05,119 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:53:05,385 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:53:06,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:06,651 INFO L93 Difference]: Finished difference Result 1131 states and 1457 transitions. [2020-10-13 12:53:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 12:53:06,652 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-10-13 12:53:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:06,660 INFO L225 Difference]: With dead ends: 1131 [2020-10-13 12:53:06,660 INFO L226 Difference]: Without dead ends: 676 [2020-10-13 12:53:06,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-13 12:53:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-10-13 12:53:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 612. [2020-10-13 12:53:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-13 12:53:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 756 transitions. [2020-10-13 12:53:06,826 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 756 transitions. Word has length 96 [2020-10-13 12:53:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:06,827 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 756 transitions. [2020-10-13 12:53:06,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:53:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 756 transitions. [2020-10-13 12:53:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 12:53:06,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:53:06,836 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:53:06,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:53:06,837 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:53:06,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:53:06,837 INFO L82 PathProgramCache]: Analyzing trace with hash 468100820, now seen corresponding path program 1 times [2020-10-13 12:53:06,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:53:06,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132469760] [2020-10-13 12:53:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:53:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:06,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:07,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-13 12:53:11,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 12:53:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4770 [2020-10-13 12:53:11,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:53:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-13 12:53:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:53:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:12,064 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 12:53:12,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:12,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:12,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:53:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:53:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:53:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 12:53:12,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:12,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:12,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:53:12,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:53:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:53:12,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:12,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:53:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:53:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 12:53:12,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:53:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:12,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:12,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:53:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:12,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:12,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:12,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:12,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:12,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:12,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:53:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:53:12,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:12,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:12,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 12:53:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:53:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:53:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:53:12,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:53:12,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:53:12,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:12,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 12:53:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:12,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 12:53:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:12,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 12:53:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:12,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:12,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:12,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:53:12,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-13 12:53:12,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132469760] [2020-10-13 12:53:12,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:53:12,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 12:53:12,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731452857] [2020-10-13 12:53:12,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 12:53:12,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:12,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 12:53:12,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:53:12,581 INFO L87 Difference]: Start difference. First operand 612 states and 756 transitions. Second operand 13 states. [2020-10-13 12:53:13,046 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:53:13,712 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:13,992 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:14,462 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:14,742 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:53:15,026 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:53:15,790 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:16,279 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:53:16,707 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:17,377 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:17,731 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:17,991 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:53:18,372 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:53:19,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:19,046 INFO L93 Difference]: Finished difference Result 1335 states and 1695 transitions. [2020-10-13 12:53:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-13 12:53:19,046 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 166 [2020-10-13 12:53:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:19,048 INFO L225 Difference]: With dead ends: 1335 [2020-10-13 12:53:19,048 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:53:19,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=455, Invalid=1267, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 12:53:19,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:53:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:53:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:53:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:53:19,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-10-13 12:53:19,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:19,055 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:53:19,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 12:53:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:53:19,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:53:19,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:53:19,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:53:19,239 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 198 [2020-10-13 12:53:19,434 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 198 [2020-10-13 12:53:21,410 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-10-13 12:53:21,648 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-10-13 12:53:22,472 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-10-13 12:53:23,313 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2020-10-13 12:53:23,638 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-10-13 12:53:24,414 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 11 [2020-10-13 12:53:24,582 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:24,725 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:53:24,885 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-10-13 12:53:25,052 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:25,409 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-10-13 12:53:25,584 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-13 12:53:25,959 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-10-13 12:53:26,131 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-13 12:53:26,352 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 15 [2020-10-13 12:53:26,548 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:26,736 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:26,915 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-13 12:53:27,718 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-10-13 12:53:27,921 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-13 12:53:28,594 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2020-10-13 12:53:28,847 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 23 [2020-10-13 12:53:28,998 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 14 [2020-10-13 12:53:29,353 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 23 [2020-10-13 12:53:30,001 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-10-13 12:53:30,354 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-10-13 12:53:31,031 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-10-13 12:53:31,587 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-10-13 12:53:31,770 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-13 12:53:32,431 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 40 [2020-10-13 12:53:32,753 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 23 [2020-10-13 12:53:33,195 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 11 [2020-10-13 12:53:33,510 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-10-13 12:53:33,820 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-13 12:53:34,369 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-13 12:53:34,545 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:34,853 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-10-13 12:53:35,017 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:35,180 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:35,335 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-10-13 12:53:35,491 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:53:35,655 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:35,864 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 4 [2020-10-13 12:53:36,333 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-13 12:53:36,479 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:53:36,812 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 23 [2020-10-13 12:53:37,180 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-10-13 12:53:37,831 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 32 [2020-10-13 12:53:37,995 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-13 12:53:38,460 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2020-10-13 12:53:38,825 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 23 [2020-10-13 12:53:38,995 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-13 12:53:39,181 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-13 12:53:39,917 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-10-13 12:53:39,922 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-10-13 12:53:39,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-10-13 12:53:39,922 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-13 12:53:39,922 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-10-13 12:53:39,923 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-13 12:53:39,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-10-13 12:53:39,923 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-10-13 12:53:39,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-10-13 12:53:39,923 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-10-13 12:53:39,924 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-10-13 12:53:39,926 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-10-13 12:53:39,926 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-10-13 12:53:39,926 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-10-13 12:53:39,926 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2020-10-13 12:53:39,927 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2020-10-13 12:53:39,927 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2020-10-13 12:53:39,928 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2020-10-13 12:53:39,928 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-13 12:53:39,928 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2020-10-13 12:53:39,928 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2020-10-13 12:53:39,928 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-13 12:53:39,928 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2020-10-13 12:53:39,928 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-10-13 12:53:39,928 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2020-10-13 12:53:39,929 INFO L264 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 1))) (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2))) (not (= 2 ~waterLevel~0))) [2020-10-13 12:53:39,931 INFO L268 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2020-10-13 12:53:39,931 INFO L268 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2020-10-13 12:53:39,931 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (not (= 2 ~waterLevel~0)) [2020-10-13 12:53:39,931 INFO L268 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-10-13 12:53:39,932 INFO L268 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2020-10-13 12:53:39,932 INFO L268 CegarLoopResult]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2020-10-13 12:53:39,932 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-10-13 12:53:39,932 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-10-13 12:53:39,932 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2020-10-13 12:53:39,932 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2020-10-13 12:53:39,932 INFO L264 CegarLoopResult]: At program point L354-1(line 354) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,933 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 348 370) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,933 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2020-10-13 12:53:39,933 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2020-10-13 12:53:39,933 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,933 INFO L264 CegarLoopResult]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,933 INFO L268 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2020-10-13 12:53:39,933 INFO L268 CegarLoopResult]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L264 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,934 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 301 324) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 301 324) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 301 324) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-10-13 12:53:39,934 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2020-10-13 12:53:39,935 INFO L268 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2020-10-13 12:53:39,936 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or (not (= 2 ~waterLevel~0)) .cse0) (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2020-10-13 12:53:39,936 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2020-10-13 12:53:39,936 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= 2 ~waterLevel~0)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-13 12:53:39,936 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-10-13 12:53:39,936 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-10-13 12:53:39,936 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-10-13 12:53:39,936 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-10-13 12:53:39,937 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-10-13 12:53:39,937 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2020-10-13 12:53:39,938 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-10-13 12:53:39,939 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2020-10-13 12:53:39,940 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 158 168) no Hoare annotation was computed. [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 12:53:39,940 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-10-13 12:53:39,941 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0) (not (<= ~waterLevel~0 1))))) [2020-10-13 12:53:39,941 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-10-13 12:53:39,941 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-10-13 12:53:39,941 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-13 12:53:39,941 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2020-10-13 12:53:39,941 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2020-10-13 12:53:39,941 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2020-10-13 12:53:39,941 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:53:39,941 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-10-13 12:53:39,942 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:53:39,942 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-10-13 12:53:39,942 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-10-13 12:53:39,942 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-10-13 12:53:39,942 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:53:39,942 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:53:39,942 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-10-13 12:53:39,942 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:53:39,942 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-10-13 12:53:39,943 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-10-13 12:53:39,943 INFO L268 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-10-13 12:53:39,943 INFO L264 CegarLoopResult]: At program point testENTRY(lines 372 437) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:53:39,943 INFO L268 CegarLoopResult]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2020-10-13 12:53:39,943 INFO L264 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:53:39,943 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:53:39,943 INFO L268 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-10-13 12:53:39,943 INFO L264 CegarLoopResult]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:53:39,944 INFO L268 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2020-10-13 12:53:39,944 INFO L268 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2020-10-13 12:53:39,944 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:53:39,944 INFO L268 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-10-13 12:53:39,944 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2020-10-13 12:53:39,944 INFO L264 CegarLoopResult]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:53:39,944 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:53:39,944 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-10-13 12:53:39,945 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 440 449) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 440 449) no Hoare annotation was computed. [2020-10-13 12:53:39,946 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 440 449) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-10-13 12:53:39,947 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-10-13 12:53:39,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,949 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#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)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:53:39,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,949 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-10-13 12:53:39,949 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-10-13 12:53:39,949 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-13 12:53:39,950 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-10-13 12:53:39,950 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-10-13 12:53:39,950 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-10-13 12:53:39,950 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-10-13 12:53:39,950 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-10-13 12:53:39,950 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-10-13 12:53:39,950 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-10-13 12:53:39,950 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2020-10-13 12:53:39,951 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse0) (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1))) [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,951 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 879 887) no Hoare annotation was computed. [2020-10-13 12:53:39,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2020-10-13 12:53:39,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2020-10-13 12:53:39,952 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (not (<= |old(~waterLevel~0)| 2)) (not (= |old(~pumpRunning~0)| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 2))))) [2020-10-13 12:53:39,952 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-10-13 12:53:39,952 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-10-13 12:53:39,952 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= |old(~waterLevel~0)| 1)))) (and (or (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1) .cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (and (= 2 ~waterLevel~0) .cse1 .cse3) (not (= |old(~waterLevel~0)| 2))) (or (and .cse0 .cse1 .cse3) .cse2 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:53:39,953 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-10-13 12:53:39,953 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse0) (not (<= |old(~waterLevel~0)| 2)) (not (= |old(~pumpRunning~0)| 0))) (or (and .cse1 .cse0 (<= ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 2))))) [2020-10-13 12:53:39,953 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-10-13 12:53:39,953 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (let ((.cse2 (<= ~waterLevel~0 2))) (or (= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 2)) (and .cse3 (not (= ~switchedOnBeforeTS~0 0)) .cse2))) (or .cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse5) (or (and .cse0 .cse3) .cse6 .cse7) (or (<= ~waterLevel~0 1) .cse6 .cse5) (or .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) (or .cse4 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse3 .cse5))) [2020-10-13 12:53:39,953 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2020-10-13 12:53:39,953 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2020-10-13 12:53:39,954 INFO L268 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2020-10-13 12:53:39,954 INFO L271 CegarLoopResult]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2020-10-13 12:53:39,954 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-10-13 12:53:39,954 INFO L271 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2020-10-13 12:53:39,954 INFO L271 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-10-13 12:53:39,954 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-13 12:53:39,954 INFO L271 CegarLoopResult]: At program point L294(lines 269 298) the Hoare annotation is: true [2020-10-13 12:53:39,954 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-10-13 12:53:39,955 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 0)) [2020-10-13 12:53:39,955 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-10-13 12:53:39,955 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-10-13 12:53:39,955 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2020-10-13 12:53:39,955 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2020-10-13 12:53:39,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,955 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 0)) [2020-10-13 12:53:39,955 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:53:39,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:53:39,956 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:53:39,956 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:53:39,956 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-10-13 12:53:39,956 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-10-13 12:53:39,956 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-10-13 12:53:39,956 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:53:39,956 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-10-13 12:53:39,956 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 1))) .cse0 .cse1))) [2020-10-13 12:53:39,957 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (and (= 2 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2020-10-13 12:53:39,957 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-10-13 12:53:39,957 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2020-10-13 12:53:39,957 INFO L268 CegarLoopResult]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2020-10-13 12:53:39,957 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= |old(~waterLevel~0)| 1)))) (and (or (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1) (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1))) [2020-10-13 12:53:39,957 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2020-10-13 12:53:39,957 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2020-10-13 12:53:39,958 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2020-10-13 12:53:39,958 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2020-10-13 12:53:39,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:39 BoogieIcfgContainer [2020-10-13 12:53:39,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:53:39,977 INFO L168 Benchmark]: Toolchain (without parser) took 75271.04 ms. Allocated memory was 148.4 MB in the beginning and 956.8 MB in the end (delta: 808.5 MB). Free memory was 103.1 MB in the beginning and 86.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 825.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:39,978 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 123.2 MB in the beginning and 122.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-13 12:53:39,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.01 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.1 MB in the beginning and 173.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:39,993 INFO L168 Benchmark]: Boogie Preprocessor took 92.27 ms. Allocated memory is still 205.0 MB. Free memory was 173.5 MB in the beginning and 168.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:39,993 INFO L168 Benchmark]: RCFGBuilder took 1164.21 ms. Allocated memory was 205.0 MB in the beginning and 233.8 MB in the end (delta: 28.8 MB). Free memory was 168.7 MB in the beginning and 189.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:39,994 INFO L168 Benchmark]: TraceAbstraction took 73346.53 ms. Allocated memory was 233.8 MB in the beginning and 956.8 MB in the end (delta: 723.0 MB). Free memory was 188.0 MB in the beginning and 86.3 MB in the end (delta: 101.7 MB). Peak memory consumption was 825.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:39,997 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 123.2 MB in the beginning and 122.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.01 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.1 MB in the beginning and 173.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.27 ms. Allocated memory is still 205.0 MB. Free memory was 173.5 MB in the beginning and 168.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1164.21 ms. Allocated memory was 205.0 MB in the beginning and 233.8 MB in the end (delta: 28.8 MB). Free memory was 168.7 MB in the beginning and 189.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73346.53 ms. Allocated memory was 233.8 MB in the beginning and 956.8 MB in the end (delta: 723.0 MB). Free memory was 188.0 MB in the beginning and 86.3 MB in the end (delta: 101.7 MB). Peak memory consumption was 825.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((pumpRunning == switchedOnBeforeTS && splverifierCounter <= 0) && waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (2 == waterLevel && splverifierCounter <= 0)) || ((splverifierCounter <= 0 && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.3s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 25.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1202 SDtfs, 2379 SDslu, 1291 SDs, 0 SdLazy, 5871 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 285 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1150 PreInvPairs, 1290 NumberOfFragments, 1419 HoareAnnotationTreeSize, 1150 FomulaSimplifications, 2621975 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 80206 FormulaSimplificationTreeSizeReductionInter, 15.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 713 ConstructedInterpolants, 0 QuantifiedInterpolants, 244806 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 117/119 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...